@book{id_31,
author = "Heckel, Johannes",
title = "Lex charitatis",
year = "1953",
address = "München",
publisher = "Verl. der Bayer. Akad. der Wiss.",
series = "Abhandlungen",
volume = "36",
url = "http://publikationen.badw.de/de/005679060",
}