@book {9783800191703, 
	title = "Natürlich Heike",
	author = "Boomgaarden, Heike AND Oftring, Bärbel",
	isbn = "9783800191703",
	keywords = "Garten, Einsteiger",
	url = "http://www.content-select.com/index.php?id=bib_view&ean=9783800191703",
	url = "https://content-select.com/de/portal/media/view/519cc6ab-4184-47ac-a4c2-29105dbbeaba",
	publisher = "Verlag Eugen Ulmer",
	language = "ger",
}