@article{66421,
  author = {J Fowler and Maritoni Litorja},
  title = {Geometric Area Measurements of Circular Apertures for Radiometry at NIST},
  year = {2003},
  number = {40},
  month = {2003-02-01},
  publisher = {Metrologia},
  url = {https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=841640},
  language = {en},
}