@Book{Lehmann1919,
author  = "Lehmann, Paul",
title   = "Corveyer Studien. Vorgetragen am 1. März 1919",
year    = "1919",
address = "München",
series  = "Abhandlungen",
volume  = "30,5",
url     = "https://publikationen.badw.de/de/007458345",
}