@Book{Reissinger1941,
author  = "Reissinger, Adolf",
title   = "Der Freibergsee bei Oberstdorf und das Problem der glazialen Erosion im Allgäu",
year    = "1941",
address = "München",
series  = "Abhandlungen",
volume  = "N.F., 50",
url     = "https://publikationen.badw.de/de/001915905",
}