@misc{indiciaefea6236aca82,
  title = {Irradiation direction from texture.},
  author = {Jan J Koenderink and Sylvia C Pont},
  year = {2003},
  doi = {10.1364/josaa.20.001875},
  url = {https://pubmed.ncbi.nlm.nih.gov/14570101/},
  note = {Source identifier: 14570101}
}