@Book{Zimmermann1879,
author  = "Zimmermann, Clemens",
title   = "Zur Scheidung der Schwermetalle der Schwefelammoniumgruppe",
year    = "1879",
address = "München",
series  = "Sitzungsberichte",
volume  = "1879,13",
url     = "https://publikationen.badw.de/en/003384640",
}