@Book{BVMC:783523, author = {Izquierdo, Noelia}, title = {Saturnino Calleja y Fernández (Burgos, 1853 - Madrid, 1915) [Semblanza]}, publisher = {Alicante : Biblioteca Virtual Miguel de Cervantes, 2017}, year = {2017}, url = {https://www.cervantesvirtual.com/nd/ark:/59851/bmc835t9} }