@InProceedings{sanchez04a,
  author = {S{\'{a}}nchez-Mart{\'{\i}}nez, Felipe
        and P{\'{e}}rez-Ortiz, Juan Antonio
        and Forcada, Mikel L.},
  title = {Cooperative unsupervised training of the part-of-speech 
           taggers in a bidirectional machine translation system},
  booktitle = {Proceedings of TMI, The Tenth Conference on Theoretical 
               and Methodological Issues in Machine Translation},
  year      = {2004},
  month     = {October},
  editor    = {},
  volume    = {},
  series    = {},
  pages        = {135--144},
  organization = {},
  publisher    = {},
  location     = {Baltimore, MD USA},
}