@book {9783806243789, 
	title = "Heinrich der Löwe",
	author = "Ehlers, Joachim",
	isbn = "9783806243789",
	year = "2021",
	edition = "1",
	keywords = "Mittelalter, Biografie, Jerusalem, Biographie, braunschweig, Magdeburg, Kreuzzug, Barbarossa, Staufer, 12. Jahrhundert, Welfen, Friedrich Barbarossa, Konrad II., Adalbero von Bremen, Alexander II., Burg Dankwarderode, Chiavenna, Heinrich der Löwe, Herzog von Bayern, Herzog von Sachsen, Historisches Sachbuch, Slawenkreuzzug, St. Blasius, Wendenkreuzzug",
	url = "http://www.content-select.com/index.php?id=bib_view&ean=9783806243789",
	url = "https://content-select.com/de/portal/media/view/60360ca8-e09c-4d4f-b6b3-2180b0dd2d03",
	publisher = "wbg in Herder",
	language = "ger",
}