@Misc{BVMC:657718, author = {Pedro Canisio , Santo}, author = {Busaeus, Petrus , S.I.}, title = {Opus catechisticum sive de Summa doctrinae christianae}, url = {https://www.cervantesvirtual.com/obra/opus-catechisticum-sive-de-summa-doctrinae-christianae-0} }