This author has not been identified. Look up 'J. Colorado' in GoogleThis author has not been identified. Look up 'Manuel Gil Pérez' in GoogleThis author has not been identified. Look up 'I. Mondragon' in GoogleThis author has not been identified. Look up 'D. Mendez' in GoogleThis author has not been identified. Look up 'C. Parra' in GoogleThis author has not been identified. Look up 'C. Devia' in GoogleThis author has not been identified. Look up 'Jesús J. Martinez Molina' in GoogleThis author has not been identified. Look up 'L. Neira' in Google