@Book{Schmaus1959,
author  = "Schmaus, Michael",
title   = "Martin Grabmann",
year    = "1959",
address = "",
series  = "Geist und Gestalt. Geisteswissenschaften",
volume  = "Seite 221-227",
url     = "https://publikationen.badw.de/de/043601778",
}