@Book{PremersteinVolkmann1937,
author  = "Premerstein, Anton von and Volkmann, Hans [Sonst.]",
title   = "Vom Werden und Wesen des Prinzipats",
year    = "1937",
address = "München",
series  = "",
volume  = "",
url     = "https://publikationen.badw.de/de/007408168",
}