TY - RPRT TI - Retrieval of Surface Directional Reflectance and Hemispherical Albedo Using Multi-Angular Measurements AU - Martonchik, John V. AU - Danielson, Eric D. AU - Diner, David J. AU - Bruegge, Carol J. PY - 1993 UR - https://ntrs.nasa.gov/citations/20060039010 ID - 20060039010 ER -