TY  - RPRT
TI  - Vegetation reflectance measurements as a function of solar zenith angle
AU  - Kimes, D. S.
AU  - Smith, J. A.
AU  - Ranson, K. J.
PY  - 1980
UR  - https://ntrs.nasa.gov/citations/19810031939
ID  - 19810031939
ER  -