@misc{indiciae859b3e7c69fe,
  title = {Transparent surfaces defined by implicit X junctions.},
  author = {T Watanabe and P Cavanagh},
  year = {1993},
  doi = {10.1016/0042-6989(93)90111-9},
  url = {https://pubmed.ncbi.nlm.nih.gov/8273298/},
  note = {Source identifier: 8273298}
}