1. J.C Amengual, J.B. Benedí, F. Casacuberta, A. Castaño, A. Castellanos, D. Llorens, A. Marzal, F. Prat, E. Vidal and J.M. Vilar: “Using Categories in the Eutrans System”. ACL-ELSNET Workshop on Spoken Language Translation, Madrid, Spain, pp. 44–52. (1997)
2. J.C. Amengual, E. Vidal. Two Different Approaches for Cost-efficient Viterbi Parsing with Error Correction. Proc. of the SSPR'96, IAPR International Workshop on Structural and Syntactical Pattern Recognition, August 20–23, 1996, Leipzig. To be published in the Proceedings.
3. J.C. Amengual, E. Vidal and J.M. Benedí. “Simplifying Language through Error-Correcting Decoding”. Proceedings of the ICSLP96 (IV International Conference on Spoken Language Processing). To be published. October, 1996.
4. J. Berstel. Transductions and Context-Free Languages. Teubner, Stuttgart. 1979.
5. P.F. Brown et al.. “A Statistical Approach to Machine Translation”. Computational Linguistics, Vol. 16, No.2, pp.79–85, 1990.