@article{Sanders-etal93,
  author	= {Sanders, T. J. M. and Spooren, W. P. M. and Noordman, L. G. M.},
  year		= {1993},
  title		= {Coherence relations in a cognitive theory of discourse representations},
  journal	= {Cognitive Linguistics},
  volume	= {4},
  number	= {2},
  pages		= {93--133}
}