This author has not been identified. Look up 'Laurent Koessler' in GoogleThis author has not been identified. Look up 'A. Benhadid' in GoogleThis author has not been identified. Look up 'Louis Maillard' in GoogleThis author has not been identified. Look up 'Jean Pierre Vignal' in GoogleThis author has not been identified. Look up 'Jacques Felblinger' in GoogleThis author has not been identified. Look up 'H. Vespignani' in GoogleThis author has not been identified. Look up 'M. Braun' in Google