@Book{KneisslSigl1958,
author  = "Kneissl, Max and Sigl, Rudolf",
title   = "Geodätische Beiträge zur naturwissenschaftlichen Erforschung Bayerns",
year    = "1958",
address = "München",
series  = "Abhandlungen",
volume  = "87",
url     = "https://publikationen.badw.de/de/001965497",
}