TY - RPRT TI - Assessed Using Satellite Data and Ground Based Sun/Sky Radiometers AU - Kaufman, Yoram J. AU - Tanre, Didier AU - Remer, Lorraine A. AU - Holben, Brent N. PY - 1999 UR - https://ntrs.nasa.gov/citations/19990080950 ID - 19990080950 ER -