@Book{Wagner1848,
author  = "Wagner, Johann Andreas",
title   = "Beiträge zur Kenntniss der Säugthiere Amerika's",
year    = "1848",
address = "München",
series  = "Abhandlungen",
volume  = "Bd. 5, Abth. 2 = [5]",
url     = "https://publikationen.badw.de/de/003796815",
}