@Book{SchoenbergTolmár1949,
author  = "Schoenberg, Erich and Tolmár, Gy.",
title   = "Die Absorption und die Dichte in 31 Dunkelwolken der südlichen Milchstraße",
year    = "1949",
address = "München",
series  = "Abhandlungen",
volume  = "56",
url     = "https://publikationen.badw.de/en/003071399",
}