1. Al-Onaizan, Y., Curin, J., Jahr, M., Knight, K., Lafferty, J.D., Melamed, I.D., Purdy, D., Och, F.J., Smith, N.A., Yarowsky, D., 1999. Statistical machine translation. Final Report, JHU Workshop. http://www.clsp.jhu.edu/ws99/projects/mt/final_report/mt-final⧹-report.ps.
2. A statistical approach to machine translation;Brown;Comput. Ling.,1990
3. The mathematics of statistical machine translation: Parameter estimation;Brown;Comput. Ling.,1993
4. Callison-Burch, C., Koehn, P., 2005. Introduction to statistical machine translation. In: Course given at the 17th European Summer School in Logic, Language and Information.
5. Callison-Burch, C., Bannard, C., Schroeder, J., 2005. Scaling phrase-based statistical machine translation to larger corpora and longer sentences. In: Proceedings of the 43rd Annual Meeting of the Association for Computational Linguistics (ACL), Ann Arbor. pp. 255–262.