@Book{Gröber1910,
author  = "Gröber, Paul",
title   = "Carbon und Carbonfossilien des nördlichen und zentralen Tian-Schan",
year    = "1910",
address = "München",
series  = "Abhandlungen",
volume  = "Bd. 24, Abth. 2 = [5]",
url     = "https://publikationen.badw.de/en/003071220",
}