@article{174736,
  author = {Bettye Johnson and Steven Brown and Howard Yoon},
  title = {Radiometric Calibration History of Visible and Near-Infrared Portable Radiometers},
  year = {2000},
  number = {37},
  month = {2000-09-01},
  publisher = {Metrologia},
  language = {en},
}