@Book{Kenngott1863,
author  = "Kenngott, Johann Gustav Adolf",
title   = "Der Hessenbergit. Eine neue Mineralspecies",
year    = "1863",
address = "München",
series  = "Sitzungsberichte",
volume  = "1863,2,14",
url     = "https://publikationen.badw.de/de/003392862",
}