Jacques Durand Paul Bennett Valerio Allegranza Frank Van Eynde Lee Humphreys Paul Schmidt Erich H. Steiner The Eurotra linguistic specifications: An overview. 103-147 1991 6 Machine Translation 2 http://dx.doi.org/10.1007/BF00417680 db/journals/mt/mt6.html#DurandBAEHSS91