@misc{indiciae2bfa00089256,
  title = {A hard plastic spectacle lens.},
  author = {M W NUGENT and R GRAHAM},
  year = {1950},
  doi = {10.1016/0002-9394(50)90600-3},
  url = {https://pubmed.ncbi.nlm.nih.gov/14789922/},
  note = {Source identifier: 14789922}
}