@book {9783965570610, 
	title = "Erlebnis Winter",
	author = "Bertle, Ludwig AND Kappl, Melanie",
	isbn = "9783965570610",
	year = "2008",
	edition = "2",
	keywords = "Erlebnispädagogik, Erfahrungslernen, Alternativer Wintersport, Winterfreizeiten, Alpinsport",
	url = "http://www.content-select.com/index.php?id=bib_view&ean=9783965570610",
	url = "https://content-select.com/de/portal/media/view/5e70e250-2220-4f72-87e1-2b01b0dd2d03",
	publisher = "Ziel-Verlag",
	language = "ger",
}