@Misc{BVMC:242835,
author = {Fernández Colorado, Luis},
title = {El "phonofilm" : un sistema ambulante de cine sonoro},
publisher = {Alicante : Biblioteca Virtual Miguel de Cervantes, 2002},
year = {2002},
url = {https://www.cervantesvirtual.com/nd/ark:/59851/bmcw9563}
}