@article{129201,
  author = {Steven Brown and Irena Fryc and Yoshihiro Ohno},
  title = {A spectrally tunable LED sphere source enables accurate calibration of tristimulus colorimeters},
  year = {2006},
  number = {6158},
  month = {2006-01-01},
  publisher = {SPIE},
  language = {en},
}