@article{SarkarBoyer93,
  author	= {Sarkar, S. and Boyer, L.},
  title		= {Perceptual organization in computer vision: a review and a proposal for a classificatory structure},
  journal	= {IEEE Transactions on Systems, Man, and Cybernetics},
  year		= {1993},
  volume	= {23},
  number	= {2},
  pages		= {382--399}
}