@Book{Oberhummer1900,
author  = "Oberhummer, Eugen",
title   = "Bemerkungen zu Aventins Karte von Bayern",
year    = "1900",
address = "München",
series  = "Sitzungsberichte",
volume  = "1899,2,9",
url     = "https://publikationen.badw.de/de/007458445",
}