@Book{BVMC:569113, author = {Fernández de Béthencourt, Francisco}, author = {Rada y Delgado, Juan de Dios de la}, title = {Informe sobre la cripta del Convento de la Trinidad}, publisher = {Madrid}, url = {https://www.cervantesvirtual.com/nd/ark:/59851/bmcf77z2} }