@book{id_11051,
author = "Heeg-Engelhart, Ingrid",
title = "Das älteste bayerische Herzogsurbar",
year = "1990",
address = "München",
publisher = "Beck",
series = "Quellen und Erörterungen zur bayerischen Geschichte",
volume = "37",
isbn = "3-406-10400-2",
}