Publishers Springer-Verlag New York Inc.

Cover for Bridget Anderson · The Social, Political and Historical Contours of Deportation - Immigrants and Minorities, Politics and Policy (Hardcover Book) [2013 edition] (2012)

The Social, Political and Histor... (2012)

Bridget Anderson

Cover for Marieke C a Liem · Handbook of European Homicide Research: Patterns, Explanations, and Country Studies (Paperback Book) [2012 edition] (2012)

Handbook of European Homicide Re... (2012)

Marieke C a Liem

Cover for Leonid P. Lebedev · Functional Analysis in Mechanics - Springer Monographs in Mathematics (Hardcover Book) [2nd ed. 2013 edition] (2012)

2nd ed. 2013 edition

Functional Analysis in Mechanics... (2012)

Leonid P. Lebedev

Cover for Katsuyuki Okamura · New Perspectives in Global Public Archaeology (Paperback Book) [2012 edition] (2012)

New Perspectives in Global Publi... (2012)

Katsuyuki Okamura

Cover for Sergey Svetunkov · Complex-Valued Modeling in Economics and Finance (Hardcover Book) [2012 edition] (2012)

Complex-Valued Modeling in Econo... (2012)

Sergey Svetunkov

Cover for Simon Lacey · Multisensory Imagery (Hardcover Book) [2013 edition] (2013)

Multisensory Imagery (2013)

Cover for David M Whitacre · Reviews of Environmental Contamination and Toxicology Volume 224 - Reviews of Environmental Contamination and Toxicology (Hardcover Book) [2013 edition] (2012)

Reviews of Environmental Contami... (2012)

David M Whitacre

Cover for Brian Denton · Handbook of Healthcare Operations Management: Methods and Applications - International Series in Operations Research & Management Science (Hardcover Book) [2013 edition] (2013)

Handbook of Healthcare Operation... (2013)

Cover for Yuval Z. Flicker · Drinfeld Moduli Schemes and Automorphic Forms: the Theory of Elliptic Modules with Applications - Springerbriefs in Mathematics (Paperback Book) (2013)

Drinfeld Moduli Schemes and Auto... (2013)

Yuval Z. Flicker

Cover for Nora M Hansen · Management of the Patient at High Risk for Breast Cancer (Hardcover Book) (2013)

Management of the Patient at Hig... (2013)

Cover for Denis Corbeil · Prominin-1 (CD133): New Insights on Stem & Cancer Stem Cell Biology - Advances in Experimental Medicine and Biology (Hardcover Book) [2013 edition] (2012)

Prominin-1 (CD133): New Insights... (2012)

Cover for Phillips,, Ronnie · Rock and Roll Fantasy?: The Reality of Going from Garage Band to Superstardom - SpringerBriefs in Business (Paperback Book) [2013 edition] (2012)

Rock and Roll Fantasy?: The Real... (2012)

Phillips,, Ronnie

Cover for Robert J. Dufault · Stalking the Wild Sweetgrass: Domestication and Horticulture of the Grass Used in African-American Coiled Basketry - SpringerBriefs in Plant Science (Paperback Book) [2013 edition] (2012)

Stalking the Wild Sweetgrass: Do... (2012)

Robert J. Dufault

Cover for Frederi Viens · Malliavin Calculus and Stochastic Analysis: A Festschrift in Honor of David Nualart - Springer Proceedings in Mathematics & Statistics (Hardcover Book) [2013 edition] (2013)

Malliavin Calculus and Stochasti... (2013)

Cover for Dwight R Lee · Public Choice, Past and Present: The Legacy of James M. Buchanan and Gordon Tullock - Studies in Public Choice (Hardcover Book) [2013 edition] (2012)

Public Choice, Past and Present:... (2012)

Cover for Luis Vazquez · Newtonian Nonlinear Dynamics for Complex Linear and Optimization Problems - Nonlinear Systems and Complexity (Hardcover Book) [2013 edition] (2012)

Newtonian Nonlinear Dynamics for... (2012)

Cover for Constantinos Koumenis · Tumor Microenvironment and Cellular Stress: Signaling, Metabolism, Imaging, and Therapeutic Targets - Advances in Experimental Medicine and Biology (Hardcover Book) [2014 edition] (2013)

Tumor Microenvironment and Cellu... (2013)

Constantinos Koumenis

Cover for Robert J. Shepherd · Heritage Management, Tourism, and Governance in China: Managing the Past to Serve the Present - SpringerBriefs in Archaeological Heritage Management (Paperback Book) [2013 edition] (2012)

Heritage Management, Tourism, an... (2012)

Robert J. Shepherd

Cover for Natalie G. Mueller · Mound Centers and Seed Security: A Comparative Analysis of Botanical Assemblages from Middle Woodland Sites in the Lower Illinois Valley - SpringerBriefs in Plant Science (Paperback Book) [2013 edition] (2012)

Mound Centers and Seed Security:... (2012)

Natalie G. Mueller

Cover for Marion L East · Chemical Signals in Vertebrates 12 (Hardcover Book) [2013 edition] (2013)

Chemical Signals in Vertebrates 12 (2013)

Cover for Bodh I Jugdutt · Cardiac Remodeling: Molecular Mechanisms - Advances in Biochemistry in Health and Disease (Hardcover Book) [2013 edition] (2013)

Cardiac Remodeling: Molecular Me... (2013)

Cover for Kathleen Malley-morrison · International Handbook of Peace and Reconciliation - Peace Psychology Book Series (Hardcover Book) [2013 edition] (2013)

International Handbook of Peace ... (2013)

Kathleen Malley-morrison

Cover for Tia A. Hoffer · Suicide Among Child Sex Offenders - SpringerBriefs in Behavioral Criminology (Paperback Book) [2013 edition] (2013)

Suicide Among Child Sex Offender... (2013)

Cover for Weimin Han · Plasticity: Mathematical Theory and Numerical Analysis - Interdisciplinary Applied Mathematics (Hardcover Book) [2nd ed. 2013 edition] (2012)

2nd ed. 2013 edition

Plasticity: Mathematical Theory ... (2012)

Cover for Brooks D Cash · Colorectal Cancer Screening and Computerized Tomographic Colonography: A Comprehensive Overview (Hardcover Book) [2013 edition] (2012)

Colorectal Cancer Screening and ... (2012)

Cover for Kathirvel Subramaniam · Anesthesia and Perioperative Care for Aortic Surgery (Paperback Book) [2011 edition] (2012)

Anesthesia and Perioperative Car... (2012)

Kathirvel Subramaniam

Cover for Jan Willem Van Der Laan · Global Approach in Safety Testing: ICH Guidelines Explained - AAPS Advances in the Pharmaceutical Sciences Series (Hardcover Book) [2013 edition] (2013)

Global Approach in Safety Testin... (2013)

Jan Willem Van Der Laan

Cover for Daniel Schall · Service-oriented Crowdsourcing: Architecture, Protocols and Algorithms - Springerbriefs in Computer Science (Paperback Book) (2012)

Service-oriented Crowdsourcing: ... (2012)

Cover for Aime Lay-Ekuakille · Optical Waveguiding and Applied Photonics: Technological Aspects, Experimental Issue Approaches and Measurements - Lecture Notes in Nanoscale Science and Technology (Hardcover Book) [2013 edition] (2014)

Optical Waveguiding and Applied ... (2014)

Aime Lay-Ekuakille

Cover for Jewgeni H. Dshalalow · Foundations of Abstract Analysis (Hardcover Book) [2nd Ed. 2013. Corr. 2nd Printing 2014 edition] (2012)

2nd Ed. 2013. Corr. 2nd Printing 2014 edition

Foundations of Abstract Analysis (2012)

Jewgeni H. Dshalalow

Cover for Harold Mytum · Global Perspectives on Archaeological Field Schools: Constructions of Knowledge and Experience (Paperback Book) [2012 edition] (2012)

Global Perspectives on Archaeolo... (2012)

Cover for Marc Thiriet · Tissue Functioning and Remodeling in the Circulatory and Ventilatory Systems - Biomathematical and Biomechanical Modeling of the Circulatory and Ventilatory Systems (Hardcover Book) [2013 edition] (2013)

Tissue Functioning and Remodelin... (2013)

Cover for Daniel J. Galiffa · On the Higher-order Sheffer Orthogonal Polynomial Sequences - Springerbriefs in Mathematics (Paperback Book) (2013)

On the Higher-order Sheffer Orth... (2013)

Daniel J. Galiffa

Cover for Franck Boyer · Mathematical Tools for the Study of the Incompressible Navier-Stokes Equations andRelated Models - Applied Mathematical Sciences (Hardcover Book) [2013 edition] (2012)

Mathematical Tools for the Study... (2012)

Cover for William B. Ward · Steps Toward a Planning Framework for Elder Care in the Arab World - SpringerBriefs in Aging (Paperback Book) [2013 edition] (2012)

Steps Toward a Planning Framewor... (2012)

William B. Ward

Cover for Steven G. Krantz · The Implicit Function Theorem: History, Theory, and Applications - Modern Birkhauser Classics (Paperback Book) [2013 edition] (2012)

The Implicit Function Theorem: H... (2012)

Steven G. Krantz

Cover for Carol Yeh-Yun Lin · National Intellectual Capital and the Financial Crisis in China, Hong Kong, Singapore, and Taiwan - SpringerBriefs in Economics (Paperback Book) [2013 edition] (2012)

National Intellectual Capital an... (2012)

Carol Yeh-Yun Lin

Cover for Carol Yeh-Yun Lin · National Intellectual Capital and the Financial Crisis in Greece, Italy, Portugal, and Spain - SpringerBriefs in Economics (Paperback Book) [2013 edition] (2012)

National Intellectual Capital an... (2012)

Carol Yeh-Yun Lin

Cover for Adam I. Levine · The Comprehensive Textbook of Healthcare Simulation (Paperback Book) [1st ed. 2013, Corr. 2nd printing 2014 edition] (2013)

1st ed. 2013, Corr. 2nd printing 2014 edition

The Comprehensive Textbook of He... (2013)

Cover for David Conrad · Sports-Based Health Interventions: Case Studies from Around the World (Hardcover Book) [1st ed. 2016 edition] (2015)

1st ed. 2016 edition

Sports-Based Health Intervention... (2015)

Cover for Gullotta, Thomas P, Ed. · Encyclopedia of Primary Prevention and Health Promotion (Hardcover Book) [2nd ed. 2014 edition] (2014)

Hardcover Book× 4

2nd ed. 2014 edition

Encyclopedia of Primary Preventi... (2014)

Gullotta, Thomas P, Ed.

Cover for Marcy Rockman · Archaeology in Society: Its Relevance in the Modern World (Paperback Book) [2012 edition] (2012)

Archaeology in Society: Its Rele... (2012)

Cover for Thomas J Quirk · Excel 2007 for Biological and Life Sciences Statistics: A Guide to Solving Practical Problems (Paperback Book) [2013 edition] (2012)

Excel 2007 for Biological and Li... (2012)

Cover for Yves Nievergelt · Wavelets Made Easy - Modern Birkhauser Classics (Paperback Book) [2013 edition] (2012)

Wavelets Made Easy - Modern Birk... (2012)

Yves Nievergelt

Cover for Molecular Pathology of Neoplastic Gastrointestinal Diseases - Molecular Pathology Library (Hardcover Book) [2013 edition] (2013)

Molecular Pathology of Neoplasti... (2013)

Cover for Amy Neustein · Mobile Speech and Advanced Natural Language Solutions (Hardcover Book) [2013 edition] (2013)

Mobile Speech and Advanced Natur... (2013)

Cover for Alexander Moreira-almeida · Exploring Frontiers of the Mind-Brain Relationship - Mindfulness in Behavioral Health (Paperback Book) [2012 edition] (2012)

Exploring Frontiers of the Mind-... (2012)

Alexander Moreira-almeida

Cover for Nick T. Thomopoulos · Essentials of Monte Carlo Simulation: Statistical Methods for Building Simulation Models (Hardcover Book) [2013 edition] (2012)

Essentials of Monte Carlo Simula... (2012)

Nick T. Thomopoulos

Cover for Douglas C Comer · The Archaeology of Interdependence: European Involvement in the Development of a Sovereign United States - SpringerBriefs in Archaeological Heritage Management (Paperback Book) [2013 edition] (2013)

The Archaeology of Interdependen... (2013)

Douglas C Comer

Cover for Tongcang Li · Fundamental Tests of Physics with Optically Trapped Microspheres - Springer Theses (Hardcover Book) [2013 edition] (2012)

Fundamental Tests of Physics wit... (2012)

Cover for Clive L. Dym · Solid Mechanics: A Variational Approach, Augmented Edition (Hardcover Book) [Augmented edition] (2013)

Augmented edition

Solid Mechanics: A Variational A... (2013)

Cover for Stephen O. Dean · Search for the Ultimate Energy Source: A History of the U.S. Fusion Energy Program - Green Energy and Technology (Hardcover Book) [2013 edition] (2013)

Search for the Ultimate Energy S... (2013)

Stephen O. Dean

Cover for Jeff Grover · Strategic Economic Decision-making: Using Bayesian Belief Networks to Solve Complex Problems - Springerbriefs in Statistics (Paperback Book) (2012)

Strategic Economic Decision-maki... (2012)

Cover for Peter Bogetoft · Performance Benchmarking: Measuring and Managing Performance - Management for Professionals (Hardcover Book) [2012 edition] (2013)

Performance Benchmarking: Measur... (2013)

Cover for Malin Brannback · Family Firms: Case Studies on the Management of Growth, Decline, and Transition - SpringerBriefs in Business (Paperback Book) [2012 edition] (2012)

Family Firms: Case Studies on th... (2012)

Malin Brannback

Cover for Michael Holick · Vitamin D: Physiology, Molecular Biology, and Clinical Applications, Volume 1 - Nutrition and Health (Paperback Book) [Second Edition 2013 edition] (2013)

Second Edition 2013 edition

Vitamin D: Physiology, Molecular... (2013)

Cover for Frank N. Thomas · Solution-Focused Supervision: A Resource-Oriented Approach to Developing Clinical Expertise (Hardcover Book) [2013 edition] (2013)

Solution-Focused Supervision: A ... (2013)

Frank N. Thomas

Cover for Michael F Holick · Vitamin D: Physiology, Molecular Biology,and Clinical Applications, Volume 2 - Nutrition and Health (Paperback Book) [Second Edition 2013 edition] (2013)

Second Edition 2013 edition

Vitamin D: Physiology, Molecular... (2013)

Michael F Holick

Cover for Louis Anthony Cox Jr. · Improving Risk Analysis - International Series in Operations Research & Management Science (Hardcover Book) [2013 edition] (2013)

Improving Risk Analysis - Intern... (2013)

Louis Anthony Cox Jr.

Cover for Yilin Hou · State Government Budget Stabilization: Policy, Tools, and Impacts - Studies in Public Choice (Hardcover Book) [2013 edition] (2013)

State Government Budget Stabiliz... (2013)

Cover for Charles A. S. Hall · The First Half of the Age of Oil: An Exploration of the Work of Colin Campbell and Jean Laherrere - SpringerBriefs in Energy (Paperback Book) [2013 edition] (2012)

The First Half of the Age of Oil... (2012)

Charles A. S. Hall

Cover for Sanjay Mohapatra · Business Process Reengineering: Automation Decision Points in Process Reengineering - Management for Professionals (Hardcover Book) [2013 edition] (2012)

Business Process Reengineering: ... (2012)

Sanjay Mohapatra

Cover for Lydia P Buki · Creating Infrastructures for Latino Mental Health (Paperback Book) [2011 edition] (2012)

Creating Infrastructures for Lat... (2012)

Cover for Antonis Alexandridis K. · Weather Derivatives: Modeling and Pricing Weather-Related Risk (Hardcover Book) [2013 edition] (2012)

Weather Derivatives: Modeling an... (2012)

Antonis Alexandridis K.

Cover for Douglas C Comer · Mapping Archaeological Landscapes from Space - SpringerBriefs in Archaeological Heritage Management (Paperback Book) [2013 edition] (2013)

Mapping Archaeological Landscape... (2013)

Douglas C Comer

Cover for Peter F. Biehl · Heritage in the Context of Globalization: Europe and the Americas - SpringerBriefs in Archaeological Heritage Management (Paperback Book) [1st ed. 2013, Corr. 2nd printing 2013 edition] (2012)

1st ed. 2013, Corr. 2nd printing 2013 edition

Heritage in the Context of Globa... (2012)

Cover for Rahul Saxena · Business Analytics: A Practitioner's Guide - International Series in Operations Research & Management Science (Hardcover Book) [2013 edition] (2012)

Business Analytics: A Practition... (2012)

Cover for Charles C. Tseng · Learning Basic Genetics with Interactive Computer Programs (Hardcover Book) [2013 edition] (2013)

Learning Basic Genetics with Int... (2013)

Charles C. Tseng

Cover for Carol Yeh-Yun Lin · National Intellectual Capital and the Financial Crisis in Brazil, Russia, India, China, Korea, and South Africa - SpringerBriefs in Economics (Paperback Book) [2013 edition] (2012)

National Intellectual Capital an... (2012)

Carol Yeh-Yun Lin

Cover for Abdeslem El Idrissi · Taurine 8: Volume 2: Nutrition and Metabolism, Protective Role, and Role in Reproduction, Development, and Differentiation - Advances in Experimental Medicine and Biology (Hardcover Book) [2013 edition] (2013)

Taurine 8: Volume 2: Nutrition a... (2013)

Abdeslem El Idrissi

Cover for Andre Balogh · Physics of Collisionless Shocks: Space Plasma Shock Waves - ISSI Scientific Report Series (Hardcover Book) [2013 edition] (2013)

Physics of Collisionless Shocks:... (2013)

Cover for David B Audretsch · Technology Transfer in a Global Economy - International Studies in Entrepreneurship (Hardcover Book) [2012 edition] (2012)

Technology Transfer in a Global ... (2012)

David B Audretsch

Cover for Parvaiz Ahmad · Salt Stress in Plants: Signalling, Omics and Adaptations (Hardcover Book) [1st ed. 2013. Corr. 2nd printing 2013 edition] (2013)

1st ed. 2013. Corr. 2nd printing 2013 edition

Salt Stress in Plants: Signallin... (2013)

Cover for Maziar Divangahi · The New Paradigm of Immunity to Tuberculosis - Advances in Experimental Medicine and Biology (Hardcover Book) [2013 edition] (2013)

The New Paradigm of Immunity to ... (2013)

Maziar Divangahi

Cover for Jay Bartroff · Sequential Experimentation in Clinical Trials: Design and Analysis - Springer Series in Statistics (Hardcover Book) [2013 edition] (2012)

Sequential Experimentation in Cl... (2012)

Cover for Gary Olson · Empathy Imperiled: Capitalism, Culture, and the Brain - SpringerBriefs in Political Science (Paperback Book) [2013 edition] (2012)

Empathy Imperiled: Capitalism, C... (2012)

Cover for Alexander Smajgl · The Water-Food-Energy Nexus in the Mekong Region: Assessing Development Strategies Considering Cross-Sectoral and Transboundary Impacts (Paperback Book) [1st ed. 2013 edition] (2013)

1st ed. 2013 edition

The Water-Food-Energy Nexus in t... (2013)

Alexander Smajgl

Cover for Laura J Moore · Common Problems in Acute Care Surgery (Hardcover Book) [2013 edition] (2013)

Common Problems in Acute Care Su... (2013)

Cover for James S Latimer · Long Island Sound: Prospects for the Urban Sea - Springer Series on Environmental Management (Hardcover Book) [2014 edition] (2013)

Long Island Sound: Prospects for... (2013)

James S Latimer

Cover for Abdeslem El Idrissi · Taurine 8: Volume 1: The Nervous System, Immune System, Diabetes and the Cardiovascular System - Advances in Experimental Medicine and Biology (Hardcover Book) [2013 edition] (2013)

Taurine 8: Volume 1: The Nervous... (2013)

Abdeslem El Idrissi

Cover for Joseph L. Walsh · Selected Papers - Springer Collected Works in Mathematics (Paperback Book) [Reprint 2013 of the 2000 edition] (2013)

Reprint 2013 of the 2000 edition

Selected Papers - Springer Colle... (2013)

Joseph L. Walsh

Cover for Alexander Smajgl · Empirical Agent-Based Modelling - Challenges and Solutions: Volume 1, The Characterisation and Parameterisation of Empirical Agent-Based Models (Hardcover Book) [2014 edition] (2013)

Empirical Agent-Based Modelling ... (2013)

Alexander Smajgl

Cover for Serge Lang · Collected Papers - Springer Collected Works in Mathematics (Paperback Book) [2000. Reprint 2013 of the 2000 edition] (2013)

2000. Reprint 2013 of the 2000 edition

Collected Papers - Springer Coll... (2013)

Cover for Serge Lang · Collected Papers - Springer Collected Works in Mathematics (Paperback Book) [2000. Reprint 2013 of the 2000 edition] (2013)

2000. Reprint 2013 of the 2000 edition

Collected Papers - Springer Coll... (2013)

Cover for Serge Lang · Collected Papers - Springer Collected Works in Mathematics (Paperback Book) [2000 edition] (2013)

Collected Papers - Springer Coll... (2013)

Cover for Serge Lang · Collected Papers - Springer Collected Works in Mathematics (Paperback Book) [2000. Reprint 2013 of the 2000 edition] (2013)

2000. Reprint 2013 of the 2000 edition

Collected Papers - Springer Coll... (2013)

Cover for Clive L N Ruggles · Handbook of Archaeoastronomy and Ethnoastronomy (Hardcover Book) [2015 edition] (2014)

Hardcover Book× 3

Handbook of Archaeoastronomy and... (2014)

Clive L N Ruggles

Cover for Serge Lang · Collected Papers V: 1993-1999 - Springer Collected Works in Mathematics (Paperback Book) [2001. Reprint 2013 of the 2001 edition] (2013)

2001. Reprint 2013 of the 2001 edition

Collected Papers V: 1993-1999 - ... (2013)

Cover for Mordechay Schlesinger · Applications of Electrochemistry in Medicine - Modern Aspects of Electrochemistry (Hardcover Book) [2013 edition] (2013)

Applications of Electrochemistry... (2013)

Mordechay Schlesinger

Cover for Itoko Suzuki · Japan’s Disaster Governance: How was the 3.11 Crisis Managed? - Public Administration, Governance and Globalization (Hardcover Book) [2013 edition] (2013)

Japan’s Disaster Governance: How... (2013)

Cover for Nabendu Chaki · Computer Networks & Communications (NetCom): Proceedings of the Fourth International Conference on Networks & Communications - Lecture Notes in Electrical Engineering (Hardcover Book) [1st ed. 2013 edition] (2013)

1st ed. 2013 edition

Computer Networks & Communicatio... (2013)

Cover for Elie Maricau · Analog IC Reliability in Nanometer CMOS - Analog Circuits and Signal Processing (Hardcover Book) [2013 edition] (2013)

Analog IC Reliability in Nanomet... (2013)

Cover for Maria Jose Alcaraz · Studies on Arthritis and Joint Disorders - Oxidative Stress in Applied Basic Research and Clinical Practice (Hardcover Book) [2013 edition] (2013)

Studies on Arthritis and Joint D... (2013)

Maria Jose Alcaraz

Cover for Albert C. J. Luo · Regularity and Complexity in Dynamical Systems - Nonlinear Systems and Complexity (Paperback Book) [2012 edition] (2013)

Regularity and Complexity in Dyn... (2013)

Albert C. J. Luo

Cover for Wafik S El-deiry · Impact of Genetic Targets on Cancer Therapy - Advances in Experimental Medicine and Biology (Hardcover Book) [2013 edition] (2013)

Impact of Genetic Targets on Can... (2013)

Wafik S El-deiry

Cover for Jessica Broitman · Treating NVLD in Children: Professional Collaborations for Positive Outcomes (Hardcover Book) [2013 edition] (2013)

Treating NVLD in Children: Profe... (2013)

Jessica Broitman

Cover for Zhou Wang · Androgen-Responsive Genes in Prostate Cancer: Regulation, Function and Clinical Applications (Hardcover Book) [2013 edition] (2013)

Androgen-Responsive Genes in Pro... (2013)

Cover for Anthony Young · The Apollo Lunar Samples: Collection Analysis and Results - SpringerBriefs in Space Development (Paperback Book) [1st ed. 2017 edition] (2017)

1st ed. 2017 edition

The Apollo Lunar Samples: Collec... (2017)

Cover for Faye S Taxman · Simulation Strategies to Reduce Recidivism: Risk Need Responsivity (RNR) Modeling for the Criminal Justice System (Hardcover Book) [2013 edition] (2013)

Simulation Strategies to Reduce ... (2013)

Cover for Jane M Grant-kels · Atlas of Dermatological Manifestations of Gastrointestinal Disease (Hardcover Book) [2013 edition] (2013)

Atlas of Dermatological Manifest... (2013)

Jane M Grant-kels