@misc{indiciaef55da80dbe2a,
  title = {Bidirectional Reflectance Round-Robin in Support of the Earth Observing System Program},
  author = {Early, E. and Barnes, P. and Johnson, B. and Butler, J. and Bruegge, C. and Biggar, S. and Spyak, P. and Pavlov, M.},
  year = {1999},
  url = {https://ntrs.nasa.gov/citations/20060040680},
  note = {Source identifier: 20060040680}
}