T. Strzalkowski, и J. Wang. Poceedings of the 16th International Conference on Computational Linguistics - COLING 96, стр. 931-936. Copenhagen, Denmark, Center for Sprogteknologi, (1996)
T. Strzalkowski, F. Lin, J. Perez-Carballo, и J. Wang. Proceedings of the fifth conference on Applied natural language processing, стр. 299--306. Morgan Kaufmann Publishers Inc. San Francisco, CA, USA, (1997)