@Book{Ritter1873,
author  = "Ritter, Moriz",
title   = "Sachsen und der Jülicher Erbfolgestreit. (1483 - 1610)",
year    = "1873",
address = "München",
series  = "Abhandlungen",
volume  = "12,4",
url     = "https://publikationen.badw.de/de/008048749",
}