@misc{indiciae06d98ed78ff3,
  title = {Tonography.},
  author = {P C KRONFELD},
  year = {1952},
  doi = {10.1001/archopht.1952.00920010402001},
  url = {https://pubmed.ncbi.nlm.nih.gov/12975902/},
  note = {Source identifier: 12975902}
}