@Book{Voss1923,
author  = "Voss, Aurel",
title   = "Zur Theorie der Raumkurven",
year    = "1923",
address = "München",
series  = "Sitzungsberichte",
volume  = "1923,10",
url     = "https://publikationen.badw.de/de/003399315",
}