@Book{BVMC:624276, author = {Iglesia Católica. Papa (1503-1513: Julio II)}, title = {Bulla Iul. II Pon. Max. super priuatione Alfon. Ducis Ferrariae}, url = {https://www.cervantesvirtual.com/obra/bulla-iul-ii-pon-max-super-priuatione-alfon-ducis-ferrariae} }