@article{MoensSteedman88,
  author	= {Moens, M. and Steedman, M.},
  year		= {1988},
  title		= {Temporal ontology and Temporal reference},
  journal	= {Computational Linguistics},
  volume	= {14},
  number	= {2},
  publisher	= {The M.I.T. Press},
  address	= {Cambridge, MA}
}