@book {9783407295873, 
	title = "20 erlebnisorientierte Lernprojekte",
	author = "Heckmair, Bernd",
	isbn = "9783407295873",
	year = "2008",
	edition = "3",
	keywords = "Erwachsenenbildung, Seminar, Konstruktivismus, lernmethode, Szenarien",
	url = "http://www.content-select.com/index.php?id=bib_view&ean=9783407295873",
	url = "https://content-select.com/de/portal/media/view/5aa7b79f-bee4-4807-98b7-6955b0dd2d03",
	publisher = "Beltz Verlagsgruppe",
	language = "ger",
}