@Book{BVMC:726129, author = {Unamuno, Miguel de}, title = {Prólogo a "Paisajes parisienses" de Manuel Ugarte}, publisher = {Alicante : Biblioteca Virtual Miguel de Cervantes, 2016}, year = {2016}, url = {https://www.cervantesvirtual.com/nd/ark:/59851/bmczk7b5} }