@Book{Maurer1877,
author  = "Maurer, Konrad von",
title   = "Norwegens Schenkung an den heiligen Ólaf",
year    = "1877",
address = "München",
series  = "Abhandlungen",
volume  = "14,5 : Abth. 2",
url     = "https://publikationen.badw.de/de/003204299",
}