@Book{Meyer1883,
author  = "Meyer, Wilhelm",
title   = "Ueber das Gebetbuch Karl des Kahlen in der königlichen Schatzkammer in München",
year    = "1883",
address = "München",
series  = "Sitzungsberichte",
volume  = "1883,11",
url     = "https://publikationen.badw.de/en/007458839",
}