A Case Study in Software Evolution: from Ariane-78.4 to Ariane-85 Christian Boitet author P Guillaume author M Quezel-Ambrunaz author 1985-aug 14-16 text Proceedings of the first Conference on Theoretical and Methodological Issues in Machine Translation of Natural Languages Hamilton, NY conference publication boitet-etal-1985-case https://aclanthology.org/1985.tmi-1.3/ 1985-aug 14-16