@Book{Zirngibl1807,
author  = "Zirngibl, Roman",
title   = "Wann wurde Böhmen von dem Bisthume Regensburg getrennt?",
year    = "1807",
address = "München",
series  = "Abhandlungen",
volume  = "1,7.",
url     = "https://publikationen.badw.de/de/003392017",
}