@Book{Nöbeling1951,
author  = "Nöbeling, Georg",
title   = "Zur Theorie der topologischen Räume",
year    = "1951",
address = "München",
series  = "Sitzungsberichte",
volume  = "1950,10.",
url     = "https://publikationen.badw.de/en/003383648",
}