@Book{Voss1889,
author  = "Voss, Aurel",
title   = "Ueber einen Satz aus der Theorie der Formen",
year    = "1889",
address = "München",
series  = "Sitzungsberichte",
volume  = "1888,2",
url     = "https://publikationen.badw.de/en/003391606",
}