@InProceedings{berg-oepen-read:2012:R50,
  author    = {Berg, {\O}yvind Raddum  and  Oepen, Stephan  and  Read, Jonathon},
  title     = {Towards High-Quality Text Stream Extraction from PDF. Technical Background to the ACL 2012 Contributed Task},
  booktitle = {Proceedings of the ACL-2012 Special Workshop on Rediscovering 50 Years of Discoveries},
  month     = {July},
  year      = {2012},
  address   = {Jeju Island, Korea},
  publisher = {Association for Computational Linguistics},
  pages     = {98--103},
  url       = {http://www.aclweb.org/anthology/W12-3211}
}