@misc{1237421,
  author = {Alexander Kramida},
  title = {Wavelength Standards},
  year = {2020},
  month = {2020-05-05 04:05:00},
  publisher = {Online version of McGraw-Hill},
  doi = {https://doi.org/10.1036/1097-8542.741600},
  language = {en},
}