@Book{BVMC:947653, author = {Canella y Secades, Fermín}, title = {Carta de Fermín Canella a Rafael Altamira. Oviedo, 27 de diciembre de 1909}, publisher = {Alicante : Biblioteca Virtual Miguel de Cervantes, 2019}, year = {2019}, url = {https://www.cervantesvirtual.com/nd/ark:/59851/bmc0947653} }