@InProceedings{johnson:2013:MOL,
  author    = {Johnson, Mark},
  title     = {Grammars and Topic Models},
  booktitle = {Proceedings of the 13th Meeting on the Mathematics of Language (MoL 13)},
  month     = {August},
  year      = {2013},
  address   = {Sofia, Bulgaria},
  publisher = {Association for Computational Linguistics},
  pages     = {102--103},
  url       = {http://www.aclweb.org/anthology/W13-3011}
}