@conference{173526,
  author = {Jonathan Hardis},
  title = {100 Years of Photometry and Radiometry Harnessing Light},
  year = {2001},
  month = {2001-06-01},
  publisher = {Harnessing light: Optical Science and Metrology at NIST, Conference | | Harnessing Light: Optical Science and Metrology at NIST | SPIE},
  url = {https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=841570},
  language = {en},
}