@Book{BVMC:920814,
author = {Guerín, Claudio},
author = {Egea, José Luis},
author = {Azcona, Rafael},
author = {Erice, Víctor},
title = {Los desafíos (1969). Ficha técnica },
publisher = {Alicante : Biblioteca Virtual Miguel de Cervantes, 2018},
year = {2018},
url = {https://www.cervantesvirtual.com/nd/ark:/59851/bmc0920814}
}