@book{ title = "Die Summa des Berthold von Freiburg", author = "Stanka, Rudolf", year = "1937", publisher = "Mayer", address = "Wien", title = "eine rechtsgeschichtliche Untersuchung", language = "ger", howpublished = "print", keywords = "Berthold,Rechtssumme", note = "Literaturverz. S. 189 - 190", series = "Theologische Studien der Leo-Gesellschaft, 36", }