@misc{1191251,
  author = {Raymond Davis},
  title = {Circular of the Bureau of Standards no. 565::techniques for ruling and etching precise scales in glass and their reproduction by photoetching with a new light-sensitive resist},
  year = {1955},
  month = {1955-01-01 05:01:00},
  publisher = {, National Institute of Standards and Technology, Gaithersburg, MD},
  doi = {https://doi.org/10.6028/NBS.CIRC.565},
  language = {en},
}