@misc{Peters2009, author = {Peters, Christian}, title = {Sportgeographie: Zur Geographie der sportlichen Praxis von Jugendlichen}, series = {Geographie und Schule}, volume = {31}, journal = {Geographie und Schule}, number = {177}, publisher = {Aulis-Verl.}, issn = {0171-8649}, pages = {41 -- 44}, year = {2009}, language = {de} }