@Book{Michel1957,
author  = "Michel, Anton",
title   = "Die Ecbasis cuiusdam captivi per tropologiam, ein Werk Humberts, des späteren Kardinals von Silva Candida",
year    = "1957",
address = "München",
series  = "Sitzungsberichte",
volume  = "1957,1",
url     = "https://publikationen.badw.de/en/003204717",
}