1. Aduriz, I., Aldezabal, I., Alegria, I., Artola, X., Ezeiza, N., & Urizar, R. (1996). EUSLEM: A lemmatiser/tagger for Basque. In Proceedings of Euralex conference, Göteborg, pp. 17–26.
2. Aduriz, I., Aldezabal, I., Ansa, O., Artola, X., & Diaz de Ilarraza, A. (1998). EDBL: A multi-purpose lexical support for the treatment of basque. In Proceedings of the first international conference on language resources and evaluation, Granada, vol. II, pp. 821–826.
3. Alegria, I., Artola, X., & Sarasola, K. (1996). Automatic morphological analysis of Basque. Literary & Linguistic Computing, 4(II), 193–203.
4. Ambroziak, J., & Woods, W. A. (1998). Natural language technology in precision content retrieval. In Proceedings of the international conference on natural language processing and industrial applications, Moncton.
5. Areta, N., Gurrutxaga, A., Leturia, I., Alegria, I., Artola, X., Diaz de Ilarraza, A., et al. (2007). ZT corpus—annotation and tools for basque corpora. In Proceedings of corpus linguistics conference, Birmingham.