@article{Moratz-etal01-cogmod,
  author	= {Moratz, R. and Fischer, K. and Tenbrink, T.},
  title		= {Cognitive Modelling of Spatial Reference for Human-Robot Interaction},
  journal	= {International Journal On Artificial Intelligence Tools},
  year		= {2001},
  volume	= {10},
  number	= {4}
}