TY - RPRT TI - Evaluation of procedures to correct for variable viewing and illumination geometry when observing a non-Lambertian surface through the atmosphere AU - Whitehead, V. S. AU - Johnson, W. R. AU - Mathews, M. L. AU - Horvath, N. C. PY - 1983 UR - https://ntrs.nasa.gov/citations/19850035342 ID - 19850035342 ER -