@misc{1191436,
  author = {Francis E Washer},
  title = {Circular of the Bureau of Standards no. 533::method for determining the resolving power of photographic lenses},
  year = {1953},
  month = {1953-01-01 05:01:00},
  publisher = {, National Institute of Standards and Technology, Gaithersburg, MD},
  doi = {https://doi.org/10.6028/NBS.CIRC.533},
  language = {en},
}