@misc{indiciae8db5cb1774eb,
  title = {A fibre-optic microdensitometer.},
  author = {A P Kushelevsky},
  year = {1976},
  doi = {10.1088/0031-9155/21/2/012},
  url = {https://pubmed.ncbi.nlm.nih.gov/1257307/},
  note = {Source identifier: 1257307}
}