@InProceedings{higgins:2003:UnsupervisedLearningBulgarian,
  author    = {Derrick Higgins},
  title     = {Unsupervised Learning of Bulgarian POS Tags},
  booktitle = {Proceedings of the EACL 2003 Workshop on Morphological Processing of Slavic Languages},
  month     = {April},
  year      = {2003},
  address   = {Budapest, Hungary},
  publisher = {Association for Computational Linguistics},
  pages     = {47--54},
  url       = {http://www.aclweb.org/anthology/W03-2907}
}