TY - RPRT TI - Bidirectional Reflectance Round-Robin in Support of the Earth Observing System Program AU - Early, E. AU - Barnes, P. AU - Johnson, B. AU - Butler, J. AU - Bruegge, C. AU - Biggar, S. AU - Spyak, P. AU - Pavlov, M. PY - 1999 UR - https://ntrs.nasa.gov/citations/20060040680 ID - 20060040680 ER -