Publishers Springer-Verlag Berlin and Heidelberg Gm

Cover for Michal Witt · Molecular Aspects of Hematologic Malignancies: Diagnostic Tools and Clinical Applications - Principles and Practice (Paperback Book) [2012 edition] (2015)

Molecular Aspects of Hematologic... (2015)

Cover for Thomas Heinze · Esterification of Polysaccharides - Springer Laboratory (Paperback Book) [2006 edition] (2014)

Esterification of Polysaccharide... (2014)

Cover for Rudolf Kippenhahn · Stellar Structure and Evolution - Astronomy and Astrophysics Library (Paperback Book) [2nd ed. 2012 edition] (2014)

2nd ed. 2012 edition

Stellar Structure and Evolution ... (2014)

Rudolf Kippenhahn

Cover for Amitava Chatterjee · Advances in Heuristic Signal Processing and Applications (Paperback Book) [Softcover reprint of the original 1st ed. 2013 edition] (2015)

Softcover reprint of the original 1st ed. 2013 edition

Advances in Heuristic Signal Pro... (2015)

Amitava Chatterjee

Cover for Valentina Emilia Balas · New Concepts and Applications in Soft Computing - Studies in Computational Intelligence (Paperback Book) [2013 edition] (2014)

New Concepts and Applications in... (2014)

Valentina Emilia Balas

Cover for Gyoezoe G. Lang · Laser Techniques for the Study of Electrode Processes - Monographs in Electrochemistry (Paperback Book) [2012 edition] (2014)

Laser Techniques for the Study o... (2014)

Gyoezoe G. Lang

Cover for Alexander Gerybadze · Innovation and International Corporate Growth (Paperback Book) [2010 edition] (2014)

Innovation and International Cor... (2014)

Alexander Gerybadze

Cover for Tuan D Pham · Knowledge-Based Systems in Biomedicine and Computational Life Science - Studies in Computational Intelligence (Paperback Book) [2013 edition] (2015)

Knowledge-Based Systems in Biome... (2015)

Cover for Martin Wiedemann · Adaptive, tolerant and efficient composite structures - Research Topics in Aerospace (Paperback Book) [2013 edition] (2014)

Adaptive, tolerant and efficient... (2014)

Martin Wiedemann

Cover for Domingos Barbosa · The Square Kilometre Array: Paving the way for the new 21st century radio astronomy paradigm: Proceedings of Symposium 7 of JENAM 2010 - Astrophysics and Space Science Proceedings (Paperback Book) (2014)

The Square Kilometre Array: Pavi... (2014)

Domingos Barbosa

Cover for Jan Rauch · Observational Calculi and Association Rules - Studies in Computational Intelligence (Paperback Book) [2013 edition] (2015)

Observational Calculi and Associ... (2015)

Cover for Giri P. K. · Advanced Nanomaterials and Nanotechnology: Proceedings of the 2nd International Conference on Advanced Nanomaterials and Nanotechnology, Dec 8-10, 2011, Guwahati, India - Springer Proceedings in Physics (Paperback Book) [2013 edition] (2015)

Advanced Nanomaterials and Nanot... (2015)

Cover for Kofi Kissi Dompere · Fuzziness and Foundations of Exact and Inexact Sciences - Studies in Fuzziness and Soft Computing (Paperback Book) [2013 edition] (2014)

Fuzziness and Foundations of Exa... (2014)

Kofi Kissi Dompere

Cover for Jiadong Sun · China Satellite Navigation Conference (CSNC) 2013 Proceedings: BeiDou / GNSS Navigation Applications * Test & Assessment Technology * User Terminal Technology - Lecture Notes in Electrical Engineering (Paperback Book) [2013 edition] (2015)

China Satellite Navigation Confe... (2015)

Cover for Vincenzo Manca · Infobiotics: Information in Biotic Systems - Emergence, Complexity and Computation (Paperback Book) [2013 edition] (2015)

Infobiotics: Information in Biot... (2015)

Cover for Carl-fredrik Mandenius · Measurement, Monitoring, Modelling and Control of Bioprocesses - Advances in Biochemical Engineering / Biotechnology (Paperback Book) [2013 edition] (2015)

Measurement, Monitoring, Modelli... (2015)

Carl-fredrik Mandenius

Cover for Zhifeng Ren · Aligned Carbon Nanotubes: Physics, Concepts, Fabrication and Devices - NanoScience and Technology (Paperback Book) [2013 edition] (2014)

Aligned Carbon Nanotubes: Physic... (2014)

Cover for Gabriel Hallevy · The Matrix of Derivative Criminal Liability (Paperback Book) [2012 edition] (2014)

The Matrix of Derivative Crimina... (2014)

Gabriel Hallevy

Cover for Alexander Konyukhov · Computational Contact Mechanics: Geometrically Exact Theory for Arbitrary Shaped Bodies - Lecture Notes in Applied and Computational Mechanics (Paperback Book) [2013 edition] (2014)

Computational Contact Mechanics:... (2014)

Alexander Konyukhov

Cover for Romulo Romeu Nobrega Alves · Animals in Traditional Folk Medicine: Implications for Conservation (Paperback Book) [2013 edition] (2014)

Animals in Traditional Folk Medi... (2014)

Romulo Romeu Nobrega Alves

Cover for Atlas Collaboration · The Performance of the ATLAS Detector (Paperback Book) [2011 edition] (2014)

The Performance of the ATLAS Det... (2014)

Atlas Collaboration

Cover for Yukio Ohsawa · Advances in Chance Discovery: Extended Selection from International Workshops - Studies in Computational Intelligence (Paperback Book) [2013 edition] (2014)

Advances in Chance Discovery: Ex... (2014)

Cover for Jiaju Zhou · Encyclopedia of Traditional Chinese Medicines - Molecular Structures, Pharmacological Activities, Natural Sources and Applications: Vol. 5: Isolated Compounds T-Z, References, TCM Plants and Congeners (Paperback Book) [2011 edition] (2014)

Encyclopedia of Traditional Chin... (2014)

Cover for Gerhard Gross · Current Antipsychotics - Handbook of Experimental Pharmacology (Paperback Book) [2012 edition] (2014)

Current Antipsychotics - Handboo... (2014)

Cover for Michel O Deville · Turbulence and Interactions: Keynote Lectures of the TI 2006 Conference - Notes on Numerical Fluid Mechanics and Multidisciplinary Design (Paperback Book) [2009 edition] (2014)

Turbulence and Interactions: Key... (2014)

Michel O Deville

Cover for Toshio Fukuda · Multi-Locomotion Robotic Systems: New Concepts of Bio-inspired Robotics - Springer Tracts in Advanced Robotics (Paperback Book) [2012 edition] (2014)

Multi-Locomotion Robotic Systems... (2014)

Cover for Bert Juttler · Geometric Modeling and Algebraic Geometry (Paperback Book) [2008 edition] (2014)

Geometric Modeling and Algebraic... (2014)

Selective Estrogen Receptor Modu... (2014)

Cover for Anthony G O Yeh · Advances in Spatial Data Handling and GIS: 14th International Symposium on Spatial Data Handling - Lecture Notes in Geoinformation and Cartography (Paperback Book) [2012 edition] (2014)

Advances in Spatial Data Handlin... (2014)

Anthony G O Yeh

Cover for Florian Holzapfel · Advances in Aerospace Guidance, Navigation and Control: Selected Papers of the 1st CEAS Specialist Conference on Guidance, Navigation and Control (Paperback Book) [2011 edition] (2014)

Advances in Aerospace Guidance, ... (2014)

Florian Holzapfel

Cover for Christoph Karrer · Engineering Production Control Strategies: A Guide to Tailor Strategies that Unite the Merits of Push and Pull - Management for Professionals (Paperback Book) (2014)

Engineering Production Control S... (2014)

Christoph Karrer

Cover for Xinyuan Wu · Structure-Preserving Algorithms for Oscillatory Differential Equations (Paperback Book) [2013 edition] (2015)

Structure-Preserving Algorithms ... (2015)

Cover for Rolf H. Weber · Internet of Things: Legal Perspectives (Paperback Book) [2010 edition] (2014)

Internet of Things: Legal Perspe... (2014)

Cover for Yi-qing Ni · Proceedings of the 1st International Workshop on High-Speed and Intercity Railways: Volume 1 - Lecture Notes in Electrical Engineering (Paperback Book) [2012 edition] (2014)

Proceedings of the 1st Internati... (2014)

Cover for Mukhopadhyay Subhas · Smart Sensors for Real-Time Water Quality Monitoring - Smart Sensors, Measurement and Instrumentation (Paperback Book) [2013 edition] (2015)

Smart Sensors for Real-Time Wate... (2015)

Mukhopadhyay Subhas

Cover for Ram Harsh Singh · Evidence-Based Practice in Complementary and Alternative Medicine: Perspectives, Protocols, Problems and Potential in Ayurveda (Paperback Book) [2012 edition] (2014)

Evidence-Based Practice in Compl... (2014)

Ram Harsh Singh

Cover for Jayakumar Raghavan · Particle Accelerators, Colliders, and the Story of High Energy Physics: Charming the Cosmic Snake (Paperback Book) (2013)

Particle Accelerators, Colliders... (2013)

Jayakumar Raghavan

Cover for Prof Dr Henrike Heise Forschungszentrum Julich · Modern NMR Methodology - Topics in Current Chemistry (Paperback Book) [Softcover reprint of the original 1st ed. 2013 edition] (2015)

Softcover reprint of the original 1st ed. 2013 edition

Modern NMR Methodology - Topics ... (2015)

Prof Dr Henrike Heise Forschungs...

Cover for Karl-friedrich Kraiss · Advanced Man-Machine Interaction: Fundamentals and Implementation - Signals and Communication Technology (Paperback Book) [2006 edition] (2014)

Advanced Man-Machine Interaction... (2014)

Karl-friedrich Kraiss

Cover for Rujin Chen · Polar Auxin Transport - Signaling and Communication in Plants (Paperback Book) [2013 edition] (2015)

Polar Auxin Transport - Signalin... (2015)

Cover for Yoav Sagi · Collisional Narrowing and Dynamical Decoupling in a Dense Ensemble of Cold Atoms - Springer Theses (Paperback Book) [2012 edition] (2014)

Collisional Narrowing and Dynami... (2014)

Cover for Ying Zhang · Future Wireless Networks and Information Systems: Volume 1 - Lecture Notes in Electrical Engineering (Paperback Book) (2014)

Future Wireless Networks and Inf... (2014)

Cover for Peter Emerson · Defining Democracy: Voting Procedures in Decision-Making, Elections and Governance (Paperback Book) [2nd ed. 2012 edition] (2014)

2nd ed. 2012 edition

Defining Democracy: Voting Proce... (2014)

Cover for Neocles Leontis · RNA 3D Structure Analysis and Prediction - Nucleic Acids and Molecular Biology (Paperback Book) [2012 edition] (2014)

RNA 3D Structure Analysis and Pr... (2014)

Neocles Leontis

Cover for Hung T. Nguyen · Computing Statistics under Interval and Fuzzy Uncertainty: Applications to Computer Science and Engineering - Studies in Computational Intelligence (Paperback Book) [2012 edition] (2014)

Computing Statistics under Inter... (2014)

Cover for Eun Sup Lee · World Trade Regulation: International Trade under the WTO Mechanism (Paperback Book) [2012 edition] (2015)

World Trade Regulation: Internat... (2015)

Cover for Dietmar Hildenbrand · Foundations of Geometric Algebra Computing - Geometry and Computing (Paperback Book) [2013 edition] (2015)

Foundations of Geometric Algebra... (2015)

Dietmar Hildenbrand

Cover for Ruy Beck · Nanocosmetics and Nanomedicines: New Approaches for Skin Care (Paperback Book) [2011 edition] (2014)

Nanocosmetics and Nanomedicines:... (2014)

Cover for Hiromi Sato · The Execution of Illegal Orders and International Criminal Responsibility (Paperback Book) [2011 edition] (2014)

The Execution of Illegal Orders ... (2014)

Cover for Ade Ogunsola · Electromagnetic Compatibility in Railways: Analysis and Management - Lecture Notes in Electrical Engineering (Paperback Book) [2013 edition] (2014)

Electromagnetic Compatibility in... (2014)

Cover for Yeming Gong · Global Operations Strategy: Fundamentals and Practice - Springer Texts in Business and Economics (Paperback Book) [Softcover reprint of the original 1st ed. 2013 edition] (2015)

Softcover reprint of the original 1st ed. 2013 edition

Global Operations Strategy: Fund... (2015)

Cover for Kofi Kissi Dompere · The Theory of the Knowledge Square: The Fuzzy Rational Foundations of the Knowledge-Production Systems - Studies in Fuzziness and Soft Computing (Paperback Book) [2013 edition] (2014)

The Theory of the Knowledge Squa... (2014)

Kofi Kissi Dompere

Cover for Katja Windt · Robust Manufacturing Control: Proceedings of the CIRP Sponsored Conference RoMaC 2012, Bremen, Germany, 18th-20th June 2012 - Lecture Notes in Production Engineering (Paperback Book) [2013 edition] (2015)

Robust Manufacturing Control: Pr... (2015)

Cover for Ingo K Mellinghoff · Therapeutic Kinase Inhibitors - Current Topics in Microbiology and Immunology (Paperback Book) (2014)

Therapeutic Kinase Inhibitors - ... (2014)

Ingo K Mellinghoff

Cover for Kyriakos N Demetriou · Democracy in Transition: Political Participation in the European Union (Paperback Book) [2013 edition] (2015)

Democracy in Transition: Politic... (2015)

Kyriakos N Demetriou

Cover for Cameron Tropea · Nature-Inspired Fluid Mechanics: Results of the DFG Priority Programme 1207 "Nature-inspired Fluid Mechanics" 2006-2012 - Notes on Numerical Fluid Mechanics and Multidisciplinary Design (Paperback Book) [2012 edition] (2014)

Nature-Inspired Fluid Mechanics:... (2014)

Cover for Bertalan Juhasz · EXA / LEAP 2008: Proceedings of the International Conference on Exotic Atoms and Related Topics and International Conference on Low Energy Antiproton Physics, (EXA / LEAP 2008) held in Vienna, Austria, September 15-19, 2008 (Paperback Book) [2009 edition] (2014)

EXA / LEAP 2008: Proceedings of ... (2014)

Bertalan Juhasz

Cover for Housheng Su · Pinning Control of Complex Networked Systems: Synchronization, Consensus and Flocking of Networked Systems via Pinning (Paperback Book) [2013 edition] (2015)

Pinning Control of Complex Netwo... (2015)

Cover for F Zhang · Shock Waves Science and Technology Library, Vol. 6: Detonation Dynamics - Shock Wave Science and Technology Reference Library (Paperback Book) (2014)

Shock Waves Science and Technolo... (2014)

Cover for Raimund Perneder · Handbook Timing Belts: Principles, Calculations, Applications (Paperback Book) [2012 edition] (2014)

Handbook Timing Belts: Principle... (2014)

Raimund Perneder

Cover for Michail Ignatiadis · Minimal Residual Disease and Circulating Tumor Cells in Breast Cancer - Recent Results in Cancer Research (Paperback Book) [2012 edition] (2014)

Minimal Residual Disease and Cir... (2014)

Michail Ignatiadis

Cover for Eduardo Torres · Biocatalysis Based on Heme Peroxidases: Peroxidases as Potential Industrial Biocatalysts (Paperback Book) [2010 edition] (2014)

Biocatalysis Based on Heme Perox... (2014)

Cover for Richard Hydomako · Detection of Trapped Antihydrogen - Springer Theses (Paperback Book) [2013 edition] (2015)

Detection of Trapped Antihydroge... (2015)

Richard Hydomako

Cover for Thomas Bartz-beielstein · Experimental Methods for the Analysis of Optimization Algorithms (Paperback Book) [2010 edition] (2014)

Experimental Methods for the Ana... (2014)

Thomas Bartz-beielstein

Cover for Jean-nicolas Vauthey · Multidisciplinary Treatment of Hepatocellular Carcinoma - Recent Results in Cancer Research (Paperback Book) [2013 edition] (2014)

Multidisciplinary Treatment of H... (2014)

Jean-nicolas Vauthey

Cover for Adolfo Avella · Strongly Correlated Systems: Theoretical Methods - Springer Series in Solid-State Sciences (Paperback Book) [2012 edition] (2014)

Strongly Correlated Systems: The... (2014)

Cover for Wolfgang Hafner · Vinzenz Bronzin's Option Pricing Models: Exposition and Appraisal (Paperback Book) [2009 edition] (2014)

Vinzenz Bronzin's Option Pricing... (2014)

Wolfgang Hafner

Cover for Wild Crop Relatives: Genomic and Breeding Resources: Cereals (Paperback Book) [2011 edition] (2014)

Wild Crop Relatives: Genomic and... (2014)

Cover for Hingston Philip · Believable Bots: Can Computers Play Like People? (Paperback Book) [2012 edition] (2014)

Believable Bots: Can Computers P... (2014)

Hingston Philip

Cover for Simon Groeblacher · Quantum Opto-Mechanics with Micromirrors: Combining Nano-Mechanics with Quantum Optics - Springer Theses (Paperback Book) [2012 edition] (2015)

Quantum Opto-Mechanics with Micr... (2015)

Simon Groeblacher

Cover for Igor Chikalov · Three Approaches to Data Analysis: Test Theory, Rough Sets and Logical Analysis of Data - Intelligent Systems Reference Library (Paperback Book) [2013 edition] (2014)

Three Approaches to Data Analysi... (2014)

Cover for Jerry W Forbes · Shock Wave Compression of Condensed Matter: A Primer - Shock Wave and High Pressure Phenomena (Paperback Book) [2012 edition] (2015)

Shock Wave Compression of Conden... (2015)

Cover for Magda David Hercheui · Ict Critical Infrastructures and Society: 10th Ifip Tc 9 International Conference on Human Choice and Computers, Hcc10 2012, Amsterdam, the Netherlands, September 27-28, 2012, Proceedings - Ifip Advances in Information and Communication Technology (Paperback Book) (2014)

Ict Critical Infrastructures and... (2014)

Magda David Hercheui

Cover for Nikolay Ivanov Kolev · Multiphase Flow Dynamics 2: Mechanical Interactions (Paperback Book) [4th ed. 2012 edition] (2014)

4th ed. 2012 edition

Multiphase Flow Dynamics 2: Mech... (2014)

Nikolay Ivanov Kolev

Cover for Hilmi Unlu · Low Dimensional Semiconductor Structures: Characterization, Modeling and Applications - NanoScience and Technology (Paperback Book) [2013 edition] (2014)

Low Dimensional Semiconductor St... (2014)

Cover for Florian Kohlbacher · The Silver Market Phenomenon: Marketing and Innovation in the Aging Society (Paperback Book) [2nd ed. 2011 edition] (2014)

2nd ed. 2011 edition

The Silver Market Phenomenon: Ma... (2014)

Florian Kohlbacher

Cover for Daniel Weiskopf · GPU-Based Interactive Visualization Techniques - Mathematics and Visualization (Paperback Book) [2007 edition] (2014)

GPU-Based Interactive Visualizat... (2014)

Daniel Weiskopf

Cover for Jan Ehrhardt · 4D Modeling and Estimation of Respiratory Motion for Radiation Therapy - Biological and Medical Physics, Biomedical Engineering (Paperback Book) [Softcover reprint of the original 1st ed. 2013 edition] (2015)

Softcover reprint of the original 1st ed. 2013 edition

4D Modeling and Estimation of Re... (2015)

Cover for Jiaheng Lu · An Introduction to XML Query Processing and Keyword Search (Paperback Book) [2013 edition] (2015)

An Introduction to XML Query Pro... (2015)

Cover for Wilfried Endlicher · Perspectives in Urban Ecology: Ecosystems and Interactions between Humans and Nature in the Metropolis of Berlin (Paperback Book) [2011 edition] (2014)

Perspectives in Urban Ecology: E... (2014)

Wilfried Endlicher

Cover for Bernd Lottermoser · Mine Wastes: Characterization, Treatment and Environmental Impacts (Paperback Book) [3rd ed. 2010 edition] (2014)

3rd ed. 2010 edition

Mine Wastes: Characterization, T... (2014)

Bernd Lottermoser

Cover for Patrice Dion · Microbiology of Extreme Soils - Soil Biology (Paperback Book) [2008 edition] (2014)

Microbiology of Extreme Soils - ... (2014)

Cover for Li Gan · Data you need to know about China: Research Report of China Household Finance Survey•2012 (Paperback Book) [Softcover reprint of the original 1st ed. 2014 edition] (2015)

Softcover reprint of the original 1st ed. 2014 edition

Data you need to know about Chin... (2015)

Cover for Alexey Sorokin · Handbook of Networks in Power Systems II - Energy Systems (Paperback Book) [2012 edition] (2014)

Handbook of Networks in Power Sy... (2014)

Cover for Pierre Bouillot · Statics and Dynamics of Weakly Coupled Antiferromagnetic Spin-1/2 Ladders in a Magnetic Field - Springer Theses (Paperback Book) [2013 edition] (2015)

Statics and Dynamics of Weakly C... (2015)

Pierre Bouillot

Cover for Markus Joerger · Prevention of Bone Metastases - Recent Results in Cancer Research (Paperback Book) [2012 edition] (2014)

Prevention of Bone Metastases - ... (2014)

Cover for Michel Raynal · Concurrent Programming: Algorithms, Principles, and Foundations (Paperback Book) [2013 edition] (2015)

Concurrent Programming: Algorith... (2015)

Cover for Philippe M Binder · The Language Phenomenon: Human Communication from Milliseconds to Millennia - The Frontiers Collection (Paperback Book) [2013 edition] (2015)

The Language Phenomenon: Human C... (2015)

Philippe M Binder

Cover for Fred I Cooperstock · Einstein's Relativity: The Ultimate Key to the Cosmos (Paperback Book) (2014)

Einstein's Relativity: The Ultim... (2014)

Fred I Cooperstock

Cover for Jan Frick · Advances in Production Management Systems. Value Networks: Innovation, Technologies, and Management: IFIP WG 5.7 International Conference, APMS 2011, Stavanger, Norway, September 26-28, 2011, Revised Selected Papers - IFIP Advances in Information and Comm (Paperback Book) [2012 edition] (2014)

Advances in Production Managemen... (2014)

Cover for Andre Dorsman · Financial Aspects in Energy: A European Perspective (Paperback Book) [2011 edition] (2014)

Financial Aspects in Energy: A E... (2014)

Cover for Edward Y L Gu · A Journey from Robot to Digital Human: Mathematical Principles and Applications with MATLAB Programming - Modeling and Optimization in Science and Technologies (Paperback Book) [Softcover reprint of the original 1st ed. 2013 edition] (2015)

Softcover reprint of the original 1st ed. 2013 edition

A Journey from Robot to Digital ... (2015)

Cover for Jose Luis Gomez Pardo · Introduction to Cryptography with Maple (Paperback Book) [2013 edition] (2015)

Introduction to Cryptography wit... (2015)

Jose Luis Gomez Pardo

Cover for John Stachurski · Nonlinear Dynamics in Equilibrium Models: Chaos, Cycles and Indeterminacy (Paperback Book) [2012 edition] (2014)

Nonlinear Dynamics in Equilibriu... (2014)

John Stachurski

Cover for Roumen Kountchev · Advances in Reasoning-Based Image Processing Intelligent Systems: Conventional and Intelligent Paradigms - Intelligent Systems Reference Library (Paperback Book) (2014)

Advances in Reasoning-Based Imag... (2014)

Roumen Kountchev

Cover for Sheryl Brahnam · Advanced Computational Intelligence Paradigms in Healthcare 6: Virtual Reality in Psychotherapy, Rehabilitation, and Assessment - Studies in Computational Intelligence (Paperback Book) [2011 edition] (2014)

Advanced Computational Intellige... (2014)

Cover for Marc Aiguier · Complex Systems Design & Management: Proceedings of the First International Conference on Complex Systems Design & Management CSDM 2010 (Paperback Book) [2010 edition] (2014)

Complex Systems Design & Managem... (2014)

Cover for Jose J. Pazos Arias · Recommender Systems for the Social Web - Intelligent Systems Reference Library (Paperback Book) [2012 edition] (2014)

Recommender Systems for the Soci... (2014)

Jose J. Pazos Arias

Cover for Joao Lita Da Silva · Advances in Regression, Survival Analysis, Extreme Values, Markov Processes and Other Statistical Applications - Studies in Theoretical and Applied Statistics (Paperback Book) [Softcover reprint of the original 1st ed. 2013 edition] (2015)

Softcover reprint of the original 1st ed. 2013 edition

Advances in Regression, Survival... (2015)

Joao Lita Da Silva

Cover for Michael Carlberg · Sustainability and Optimality of Public Debt (Paperback Book) [2nd ed. 2013 edition] (2015)

2nd ed. 2013 edition

Sustainability and Optimality of... (2015)

Michael Carlberg