@misc{indiciae70c7805231d1,
  title = {Stereopsis from contrast envelopes.},
  author = {K Langley and D J Fleet and P B Hibbard},
  year = {1999},
  doi = {10.1016/s0042-6989(98)00271-5},
  url = {https://pubmed.ncbi.nlm.nih.gov/10367053/},
  note = {Source identifier: 10367053}
}