J. Reynar, и A. Ratnaparkhi. Proceedings of the fifth conference on Applied natural language processing, стр. 16--19. Stroudsburg, PA, USA, Association for Computational Linguistics, (1997)
E. Shutova. Human Language Technologies: The 2010 Annual Conference of the North American Chapter of the Association for Computational Linguistics, стр. 1029--1037. Stroudsburg, PA, USA, Association for Computational Linguistics, (2010)