AUTHORS: Josep Acebillo; Ramon Folch PUBLISHING HOUSE: Ariel Ciencia EDITION: Barcelona. 2000 ISBN: 84-344-8025-5 LANGUAGE: Catalan
AUTHORS: Patrícia Gabancho; Colita PUBLISHING HOUSE: Ajuntament de Barcelona EDITION: Barcelona, 1999 ISBN: 84-7609-925-8 IDIOMA: Catalan
[