@Book{Hertwig(1932),
author  = "Hertwig, Richard von",
title   = "Über den Bau der Peripyleen",
year    = "(1932)",
address = "München",
series  = "Abhandlungen",
volume  = "N.F., 12",
url     = "https://publikationen.badw.de/en/003789752",
}