AMPAR and NERPA systems of machine translation: some specific features of software and technology B D Tikhomirov author 1984-feb 13-15 text Proceedings of the International Conference on Methodology and Techniques of Machine Translation: Processing from words to language Cranfield University, UK conference publication tikhomirov-1984-ampar https://aclanthology.org/1984.bcs-1.33/ 1984-feb 13-15