@misc{indiciaecde692653730,
  title = {Spectacle tester.},
  author = {G VOGL and S TACKLIND},
  year = {1956},
  doi = {10.1364/josa.46.000361},
  url = {https://pubmed.ncbi.nlm.nih.gov/13307316/},
  note = {Source identifier: 13307316}
}