@InProceedings{thede-harper:1999:ACL,
  author    = {Scott M. Thede  and  Mary P. Harper},
  title     = {A Second-Order Hidden Markov Model for Part-of-Speech Tagging},
  booktitle = {Proceedings of the 37th Annual Meeting of the Association for Computational Linguistics},
  month     = {June},
  year      = {1999},
  address   = {College Park, Maryland, USA},
  publisher = {Association for Computational Linguistics},
  pages     = {175--182},
  url       = {http://www.aclweb.org/anthology/P99-1023},
  doi       = {10.3115/1034678.1034712}
}