This author has not been identified. Look up 'D. A. Tran' in GoogleThis author has not been identified. Look up 'Arnaud Virazel' in GoogleThis author has not been identified. Look up 'Alberto Bosio' in GoogleThis author has not been identified. Look up 'Luigi Dilillo' in GoogleThis author has not been identified. Look up 'Patrick Girard' in GoogleThis author has not been identified. Look up 'Serge Pravossoudovitch' in GoogleThis author has not been identified. Look up 'Hans-Joachim Wunderlich' in Google