@book {9783823374794, 
	title = "Der Text unserer Natur",
	author = "Mehltretter, Florian",
	isbn = "9783823374794",
	year = "2009",
	edition = "1",
	url = "http://www.content-select.com/index.php?id=bib_view&ean=9783823374794",
	url = "https://content-select.com/de/portal/media/view/51da9306-c658-4684-9c52-12692efc1343",
	publisher = "Narr Francke Attempto",
}