@inproceedings{Bittner2002-flairs,
  author	= {Bittner, Thomas},
  URL		= {http://people.ifomis.uni-leipzig.de/thomas.bittner/flairs02.ps},
  ps		= {http://people.ifomis.uni-leipzig.de/thomas.bittner/flairs02.ps},
  title		= {Granularity in Reference to Spatio-Temporal Location and Relations},
  booktitle	= {15th International FLAIRS Conference 2002},
  year		= {2002}
}