@Misc{BVMC:231092, author = {Piferrer, Pablo}, author = {Pi y Margall, Francisco}, title = {España : sus monumentos y artes, su naturaleza e historia. Tomo 1}, publisher = {Alicante : Biblioteca Virtual Miguel de Cervantes, 1999}, year = {1999}, url = {https://www.cervantesvirtual.com/nd/ark:/59851/bmcrj4d4} }