@misc{indiciae00970b2a15d1,
  title = {An inexpensive stereoscopic projection system.},
  author = {K K Kramer},
  year = {1976},
  doi = {10.1016/0002-9394(76)90316-0},
  url = {https://pubmed.ncbi.nlm.nih.gov/57722/},
  note = {Source identifier: 57722}
}