TY - RPRT TI - The Coherent Backscattering Opposition Effect: Measurements at Very Small Phase Angles AU - Nelson, R. AU - Hapke, B. AU - Smythe, W. AU - Horn, L. AU - Herrera, P. AU - Gharakanian, V. PY - 1993 UR - https://ntrs.nasa.gov/citations/20060039157 ID - 20060039157 ER -