@book {9783035515534, 
	title = "Draussen unterrichten (E-Book, Ausgabe für die Schweiz)",
	author = "Stiftung SILVIVA, ",
	isbn = "9783035515534",
	year = "2019",
	edition = "1",
	keywords = "Unterricht, Natur, Primarstufe, Aktivität, Lehrplan 21, Unterrichtsideen",
	url = "http://www.content-select.com/index.php?id=bib_view&ean=9783035515534",
	url = "https://content-select.com/de/portal/media/view/5c7ffb0d-4374-4500-9b82-663bb0dd2d03",
	publisher = "hep verlag",
	language = "ger",
}