@book{ title = "Constitutiones", author = "Klemens,Gregori, Giovanni de", year = "16.II.1489/90", publisher = "Johannes und Gregorius de Gregoriis", address = "Venedig", language = "lat", howpublished = "print", pages = "2°", note = "TA nach GW", content = "Verlag", "Verlag", }