@book{
title = {Defensor pacis},
author = {Marsilio  <da Padova>},
editor = {Dati dalla cop },
editor = {Gotico },
editor = {Ripr. facs. dell'ed. del 1522 },
year = {1972},
edition = {Rist. anast},
address = {Leipzig },
publisher = {Zentral-Antiquariat der Deutschen Demokratischen Republik},
}