1. Abney, S. (1996). Statistical methods and linguistics. In J. Klavans, & P. Resnik (Eds.), The balancing act: Combining symbolic and statistical approaches to language (pp. 1–26). Cambridge/Massachusetts: MIT Press.
2. Berwick, R. C., & Weinberg, A. S. (1982). The grammatical basis of linguistic performance. Cambridge: MIT Press.
3. Bikel, D. (2004a). On the Parameter Space of Generative Lexicalized Statistical Parsing Models. Ph.D. Thesis, University of Pennsylvania, Department of Computer Science.
4. Bikel, D. M. (2004b). Intricacies of Collins’ parsing model. Computational Linguistics, 30(4), 479–511.
5. Charniak, E. (2000). A maximum-entropy inspired parser. In Proceedings of the First Meeting of the North American Chapter of the Association for Computtaional Linguistics (pp. 132–139), Seattle. Association for Computational Linguistics.