TY - RPRT TI - Path Radiance Techniques for Retrieving Aerosol Optical Thickness over Land AU - Wen, Guoyong AU - Tsay, Si-Chee AU - Cahalan, Robert F. AU - Oreopoulos, Lazaros PY - 1999 UR - https://ntrs.nasa.gov/citations/19990063747 ID - 19990063747 ER -