@inproceedings{Teich-etal01-querying,
  author	= {Teich, Elke and Hansen, Silvia and Fankhauser, Peter},
  title		= {Representing and querying multi-layer corpora},
  booktitle	= {Proceedings of the IRCS Workshop on Linguistic Databases},
  pages		= {228--237},
  year		= {2001},
  address	= {University of Pennsylvania, Philadelphia},
  month		= dec,
  note		= {Available from: http://www.ldc.upenn.edu/annotation/database/papers/Teich/10.2.teich.pdf},
  pdf		= {http://www.ldc.upenn.edu/annotation/database/papers/Teich/10.2.teich.pdf},
  URL		= {http://www.ldc.upenn.edu/annotation/database/papers/Teich/10.2.teich.pdf},
  pdf		= {http://www.ldc.upenn.edu/annotation/database/papers/Teich/10.2.teich.pdf},
}