@misc{1130446,
  author = {John H Lehman},
  title = {Calibration service for spectral responsivity of laser and optical-fiber power meters at wavelengths between 0.4µm and 1.8 µm:},
  year = {1999},
  month = {1999-01-01 05:01:00},
  publisher = {, National Institute of Standards and Technology, Gaithersburg, MD},
  doi = {https://doi.org/10.6028/NIST.SP.250-53},
  language = {en},
}