@Misc{BVMC:269476, author = {Cerda, Juan Luis de la (S.I.)}, title = {De excellentia coelestium spirituum, imprimis de Angeli custodis ministerio liber}, url = {https://www.cervantesvirtual.com/obra/de-excellentia-coelestium-spirituum-imprimis-de-angeli-custodis-ministerio-liber} }