This author has not been identified. Look up 'Edgar D. Coelho' in GoogleThis author has not been identified. Look up 'Joel Arrais' in GoogleThis author has not been identified. Look up 'Sérgio Matos' in GoogleThis author has not been identified. Look up 'Carlos Pereira' in GoogleThis author has not been identified. Look up 'Nuno Rosa' in GoogleThis author has not been identified. Look up 'Maria José Correia' in GoogleThis author has not been identified. Look up 'Marlene Barros' in GoogleThis author has not been identified. Look up 'José Luís Oliveira' in Google