This author has not been identified. Look up 'I. Álvarez Illán' in GoogleThis author has not been identified. Look up 'J. M. Górriz' in GoogleThis author has not been identified. Look up 'M. M. López' in GoogleThis author has not been identified. Look up 'Javier Ramírez' in GoogleThis author has not been identified. Look up 'Diego Salas-Gonzalez' in GoogleThis author has not been identified. Look up 'Fermín Segovia' in GoogleThis author has not been identified. Look up 'Rosa Chaves' in GoogleThis author has not been identified. Look up 'Carlos García Puntonet' in Google