@misc{indiciae88b83947ecb1,
  title = {Is there opponent-orientation coding in the second-order channels of pattern vision?},
  author = {Norma Graham and S Sabina Wolfson},
  year = {2004},
  doi = {10.1016/j.visres.2004.07.018},
  url = {https://pubmed.ncbi.nlm.nih.gov/15482802/},
  note = {Source identifier: 15482802}
}