@Book{Hübner2006,
author  = "Hübner, Wolfgang",
title   = "Crater liberi. Himmelspforten und Tierkreis",
year    = "2006",
address = "München",
series  = "Sitzungsberichte",
volume  = "Jahrgang 2006, Heft 3",
url     = "https://publikationen.badw.de/en/021489629",
}