@Book{Sandberger1871,
author  = "Sandberger, Fridolin",
title   = "Der Weissnickelkies oder Rammelsbergit",
year    = "1871",
address = "München",
series  = "Sitzungsberichte",
volume  = "1871,21",
url     = "https://publikationen.badw.de/en/003392415",
}