@misc{indiciae50509f48e845,
  title = {Spatial frequency columns in primary visual cortex.},
  author = {R B Tootell and M S Silverman and R L De Valois},
  year = {1981},
  doi = {10.1126/science.7292014},
  url = {https://pubmed.ncbi.nlm.nih.gov/7292014/},
  note = {Source identifier: 7292014}
}