@Book{Baumhauer1875,
author  = "Baumhauer, Heinrich",
title   = "Die Aetzfiguren des Magnesiaglimmers und des Epidots",
year    = "1875",
address = "München",
series  = "Sitzungsberichte",
volume  = "1875,11",
url     = "https://publikationen.badw.de/en/003391929",
}