@Book{Schmeller[1833],
author  = "Schmeller, Johann Andreas",
title   = "Ueber ein altes Urkunden-Fragment",
year    = "[1833]",
address = "",
series  = "Jahresberichte",
volume  = "3 (1831/33), Seite 44",
url     = "https://publikationen.badw.de/de/043713438",
}