@book {9783818612214, 
	title = "Das Bienenjahr - Imkern nach den 10 Jahreszeiten der Natur",
	author = "Ritter, Wolfgang AND Schneider-Ritter, Ute",
	isbn = "9783818612214",
	url = "http://www.content-select.com/index.php?id=bib_view&ean=9783818612214",
	url = "https://content-select.com/de/portal/media/view/5fff1b44-fd98-4ac2-8eea-678cb0dd2d03",
	publisher = "Verlag Eugen Ulmer",
	language = "ger",
}