@Book{Sandberger1873,
author  = "Sandberger, Fridolin",
title   = "Speiskobalt und Spathiopyrit von Bieber in Hessen",
year    = "1873",
address = "München",
series  = "Sitzungsberichte",
volume  = "1873,6",
url     = "https://publikationen.badw.de/de/003392204",
}