TY - RPRT TI - Spectrally-Invariant Approximation Within Atmospheric Radiative Transfer AU - Marshak, A. AU - Knyazikhin, Y. AU - Chiu, J. C. AU - Wiscombe, W. J. PY - 2011 UR - https://ntrs.nasa.gov/citations/20120017356 ID - 20120017356 ER -