@Book{Weinschenk1906,
author  = "Weinschenk, Ernst",
title   = "Über Mineralbestand und Struktur der kristallinischen Schiefer",
year    = "1906",
address = "München",
series  = "Abhandlungen",
volume  = "Bd. 22, Abth. 3 = [8]",
url     = "https://publikationen.badw.de/de/003071194",
}