@article{Schirra-etal87-aai,
  author	= {Schirra, J. and Bosch, G. and Sung, C.-K. and Zimmermann, G.},
  title		= {From Image Sequence to Natural Language: a First Step towards Automatic Perception and Description of Motions},
  journal	= {Applied Artificial Intelligence},
  year		= {1987},
  volume	= {1},
  pages		= {287--305}
}