@article{129196,
  author = {Steven Brown and Bettye Johnson},
  title = {Development of a Portable Integrating Sphere Source for the Earth Observing System's Calibration Validation Program},
  year = {2003},
  number = {24},
  month = {2003-01-01},
  publisher = {International Journal of Remote Sensing},
  language = {en},
}