@book{ title = "Ulrichs von Richental Chronik des Constanzer Concils", author = "Ulrich,Buck, Michael Richard", year = "1971", publisher = "Olms", address = "Hildesheim", edition = "Unveränd. reprograf. Nachdr. d. Ausg. Stuttgart 1882", title = "1414 - 1418", language = "ger", howpublished = "print", }