@misc{indiciae455cfffeee65,
  title = {Shape constancy in pictorial relief.},
  author = {J J Koenderink and A J van Doorn and C Christou and J S Lappin},
  year = {1996},
  doi = {10.1068/p250155},
  url = {https://pubmed.ncbi.nlm.nih.gov/8733144/},
  note = {Source identifier: 8733144}
}