@Book{Bischoff1863,
author  = "Bischoff, Theodor Ludwig Wilhelm",
title   = "Ein Fall von Kuh-Zwillings-Zwitter-Bildung",
year    = "1863",
address = "München",
series  = "Sitzungsberichte",
volume  = "1863,1,26",
url     = "https://publikationen.badw.de/de/003385001",
}