@Misc{BVMC:292528,
author = {Calvo-Sotelo, Joaquín},
title = {Sobre la zanfona y su agonía},
publisher = {Alicante : Biblioteca Virtual Miguel de Cervantes, 2012},
year = {2012},
url = {https://www.cervantesvirtual.com/nd/ark:/59851/bmck36f3}
}