This author has not been identified. Look up 'Carlos Eugenio Martinez-Cruz' in GoogleThis author has not been identified. Look up 'Guido Maier' in GoogleThis author has not been identified. Look up 'Achille Pattavina' in GoogleThis author has not been identified. Look up 'Norbert Herencsar' in GoogleThis author has not been identified. Look up 'Ewell Tan' in Google