@misc{indiciae758abcd12311,
  title = {Unifying shading and texture through an active observer.},
  author = {J Y Aloimonos},
  year = {1989},
  doi = {10.1098/rspb.1989.0064},
  url = {https://pubmed.ncbi.nlm.nih.gov/2574467/},
  note = {Source identifier: 2574467}
}