@Misc{BVMC:262573, author = {Delmiro Coto, Benigno}, title = {La aportación de Palacio Valdés a la literatura minera}, publisher = {Alicante : Biblioteca Virtual Miguel de Cervantes, 2009}, year = {2009}, url = {https://www.cervantesvirtual.com/nd/ark:/59851/bmcxk8v8} }