@book{id_12216,
author = "Gümbel, Carl Wilhelm von",
title = "Beiträge zur Foraminiferenfauna der nordalpinen Eocängebilde",
year = "1868",
address = "München",
publisher = "Verl. d. Akad.",
series = "Abhandlungen",
volume = "Bd. 10, Abth. 2 = [10]",
url = "http://publikationen.badw.de/de/003082928",
}