A. Hunt, und A. Black. Proceedings of the 1996 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), 1, Seite 373-376. Atlanta, GA, USA, (Mai 1996)
M. Collins. Proceedings of the ACL-02 conference on Empirical methods in natural language processing - Volume 10, Seite 1--8. Stroudsburg, PA, USA, Association for Computational Linguistics, (2002)
V. Spitkovsky, H. Alshawi, und D. Jurafsky. Proceedings of the Conference on Empirical Methods in Natural Language Processing, Seite 1269--1280. Stroudsburg, PA, USA, Association for Computational Linguistics, (2011)