@InProceedings{hennig:2009:RANLP09,
  author    = {Hennig, Leonhard},
  title     = {Topic-based Multi-Document Summarization with Probabilistic Latent Semantic Analysis},
  booktitle = {Proceedings of the International Conference RANLP-2009},
  month     = {September},
  year      = {2009},
  address   = {Borovets, Bulgaria},
  publisher = {Association for Computational Linguistics},
  pages     = {144--149},
  url       = {http://www.aclweb.org/anthology/R09-1028}
}