@Misc{BVMC:686015, author = {Marías, Julián}, title = {Avances y retrocesos al final del siglo XX}, publisher = {Alicante : Biblioteca Virtual Miguel de Cervantes, 2014}, year = {2014}, url = {https://www.cervantesvirtual.com/nd/ark:/59851/bmc4b4x5} }