4Kay M, The MIND system. In: Current Computer Science Symposium 8. Natural Language Processing. New York:Algorithmics Press, 1973, 155-188.
5Rimon M. McCorcl M. Advances in machine translation research in IBM. Proc of Machine Translation Summit Ⅱ.Washington. 1991.11-18.
6Jones D. Tsuji J. Interactive high-qality machine translation for monolinguals, Proc of the 3rd Conference on Methodological Issues in Machine Translation of Natural Language, Univ of Texas, 1990.