@Book{Zingerle1881,
author  = "Zingerle, Anton",
title   = "Zu Hildebert und Alanus",
year    = "1881",
address = "München",
series  = "Sitzungsberichte",
volume  = "1881,1,8",
url     = "https://publikationen.badw.de/en/007458729",
}