@Book{BVMC:703429, author = {Alvarado, Juan }, title = {[Nota de Juan Alvarado a Heliodoro Olea. El Paso (E.U.A.), 23 de abril de 1911]}, publisher = {Alicante : Biblioteca Virtual Miguel de Cervantes, 2014}, year = {2014}, url = {https://www.cervantesvirtual.com/nd/ark:/59851/bmch43m1} }