@Misc{BVMC:255590,
author = {Fernández Rajo, Francisco.},
title = {De cometis, et prodigiosis eorum portentis, libri quatuor ...},
url = {https://www.cervantesvirtual.com/obra/de-cometis-et-prodigiosis-eorum-portentis-libri-quatuor}
}