Cara y cruz de la radio digital en España Authors: Peñafiel, C. Year: 2004 Journal: Quaderns del CAC, Consell de l'audiovisual de Catalunya Volume: 18 Initial page - Ending page: 13 - 22 ISBN/ISSN: 1138-9761 More information https://www.cac.cat/sites/default/files/2019-05/Q18_penafiel_ES.pdf