Multiple motion analysis: in spatial or in spectral domain?
@Article{yu03cviu,
  author =      {W. Yu and  K. Daniilidis and G. Sommer},
  title =      {Multiple motion analysis: in spatial or in spectral domain?},
  journal =      {Computer Vision and Image Understanding},
  year =      2003,
  volume =     90,
  number =     2,
  pages =     {129-152}
}