@Book{Spengel1861,
author  = "Spengel, Leonhard",
title   = "Ueber die Geschichtsbücher des Florus",
year    = "1861",
address = "München",
series  = "Abhandlungen",
volume  = "9,6 : 2. Abth.",
url     = "https://publikationen.badw.de/de/003204980",
}