@book {9783407224002, 
	title = "Psychologie des Spiels",
	author = "Oerter, Rolf",
	isbn = "9783407224002",
	year = "2013",
	edition = "2",
	keywords = "Entwicklungspsychologie, Spiel, Spieltheorie, Pädagogische Psychologie",
	url = "http://www.content-select.com/index.php?id=bib_view&ean=9783407224002",
	url = "https://content-select.com/de/portal/media/view/520d12dc-0a90-4958-81a2-6ec12efc1343",
	publisher = "Beltz Verlagsgruppe",
	language = "ger",
}