@Book{Barthel1962,
author  = "Barthel, Karl Werner",
title   = "Zur Ammonitenfauna und Stratigraphie der Neuburger Bankkalke",
year    = "1962",
address = "München",
series  = "Abhandlungen",
volume  = "105",
url     = "https://publikationen.badw.de/en/001979447",
}