1. Allegranza, V., P. Bennett, J. Durand, F. van Eynde, L. Humphreys, P. Schmidt, & E. Steiner. 1991. Linguistics for MT: The Eurotra Linguistic Specifications. In C. Copeland, J. Durand, S. Krauwer and B. Maegaard (eds.), Studies in Machine Translation and Natural Language Processing, Vol. 1, Luxemburg: Commission of the European Communities, 15?123.
2. Arnold, D. 1986. Eurotra: A European Perspective on MT. IEEE 74: 979?992.
3. Arnold, D., L. Jaspaert, & L. des Tombe. 1985. Eurotra ELS-3 Linguistic Specifications, DGXIII, CEC, Luxemburg.
4. Arnold, D. & L. des Tombe. 1987. Basic Theory and Methodology in Eurotra. In S. Nirenburg (ed.), Machine Translation: Theoretical and Methodological Issues, Cambridge: Cambridge University Press, 114?135.
5. Arnold, D., S. Krauwer, L. des Tombe, & L. Sadler. 1988. Relaxed compositionality in Machine Translation. In Proceedings of Second International Conference on Theoretical and Methodological Issues in Machine Translation of Natural Languages, Carnegie Mellon University, Pittsburgh.