@Book{Kobell1865,
author  = "Kobell, Franz von",
title   = "Über Unterniob- und Dian-Säure",
year    = "1865",
address = "München",
series  = "Sitzungsberichte",
volume  = "1865,2,6",
url     = "https://publikationen.badw.de/de/003396315",
}