@Book{Rockinger1872,
author  = "Rockinger, Ludwig von",
title   = "Zum baierischen Schriftwesen im Mittelalter",
year    = "1872",
address = "München",
series  = "Abhandlungen",
volume  = "12,1",
url     = "https://publikationen.badw.de/en/010035798",
}