@Book{Ammon1882,
author  = "Ammon, Ludwig von",
title   = "Ein Beitrag zur Kenntniss der vorweltlichen Asseln",
year    = "1882",
address = "München",
series  = "Sitzungsberichte",
volume  = "1882,20",
url     = "https://publikationen.badw.de/en/003394706",
}