@incollection{SchulzEckert2017, author = {Karl-Heinz Schulz and Sandra van Eckert}, title = {K{\"o}rperliche Aktivit{\"a}t und Tumorerkrankungen}, booktitle = {Handbuch Psychoonkologie}, edition = {1. Auflage}, editor = {Anja Mehnert and Uwe Koch}, isbn = {978-3-8017-2474-0}, year = {2017}, }