@article{theconstitutionofvisualperceptualunits,
  title = {The constitution of visual perceptual units in the functional architecture of V1},
  author = {Alessandro Sarti and Giovanna Citti},
  year = {2014},
  eprint = {1406.0289},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1406.0289v1},
}