Books by Michael Kellmann (Ruhr-Universitat Bochum, Germany)

Prof. Dr Michael Kellmann is Head of Unit of Sport Psychology at the Faculty of Sport Science at Ruhr University Bochum, Germany. He is also Honorary Professor in the School of Human Movement and Nutrition Sciences at the University of Queensland, Australia. Prof. Dr Jurgen Beckmann is Chair of Sport Psychology at the Department of Sport and Health Sciences at Technical University of Munich, Germany. He was president of the German Society for Sport Psychology (asp), editor in chief of the German Journal of Sport Psychology, and on the editorial board of several international journals (currently Frontiers in Psychology).