@Book{Aumann1978,
author  = "Aumann, Georg",
title   = "Der abbildungstheoretische Zugang zur Topologie",
year    = "1978",
address = "München",
series  = "Sitzungsberichte",
volume  = "1977,4",
url     = "https://publikationen.badw.de/de/003896091",
}