@Book{BVMC:292997, author = {Feu, Antonio}, title = {Carta de Antonio Feu a Rafael Altamira. Pinar del Río, 21 de febrero de 1910}, publisher = {Alicante : Biblioteca Virtual Miguel de Cervantes, 2013}, year = {2013}, url = {https://www.cervantesvirtual.com/nd/ark:/59851/bmcms4d6} }