@Book{BVMC:630036, author = {Alcazar, Martín de}, title = {Kalendarium romanum perpetuum ex Breviario et Missali Clementis VIII authoritate recognitis}, url = {https://www.cervantesvirtual.com/obra/kalendarium-romanum-perpetuum-ex-breviario-et-missali-clementis-viii-authoritate-recognitis} }