@misc{indiciaea13dd2526177,
  title = {Spatial frequency and the pattern onset-offset response.},
  author = {A Vassilev and V Manahilov and D Mitov},
  year = {1983},
  doi = {10.1016/0042-6989(83)90153-0},
  url = {https://pubmed.ncbi.nlm.nih.gov/6666042/},
  note = {Source identifier: 6666042}
}