@book { DieBedeutungderPISAStudienfrdenSchulsportinDeutschland, title = "Die Bedeutung der PISA-Studien für den Schulsport in Deutschland", author = "Kay {Hossbach}", year = "2007", publisher = "GRIN Verlag", address = "München, Germany", doi = "10.3239/9783638614672", url = "https://www.hausarbeiten.de/document/70143" }