Crystal Barker Schaaf, Alan H. Strahler. Solar zenith angle effects on forest canopy hemispherical reflectances calculated with a geometric-optical bidirectional reflectance model. IEEE T. Geoscience and Remote Sensing, 31(4):921-927, 1993. [doi]
@article{SchaafS93,
title = {Solar zenith angle effects on forest canopy hemispherical reflectances calculated with a geometric-optical bidirectional reflectance model},
author = {Crystal Barker Schaaf and Alan H. Strahler},
year = {1993},
doi = {10.1109/36.239916},
url = {http://dx.doi.org/10.1109/36.239916},
researchr = {https://researchr.org/publication/SchaafS93},
cites = {0},
citedby = {0},
journal = {IEEE T. Geoscience and Remote Sensing},
volume = {31},
number = {4},
pages = {921-927},
}