@Misc{BVMC:232821,
author = {Alvar, Manuel},
title = {Transmisión lingüística en los romanceros antiguos},
publisher = {Alicante : Biblioteca Virtual Miguel de Cervantes, 2007},
year = {2007},
url = {https://www.cervantesvirtual.com/nd/ark:/59851/bmch70t6}
}