EL-SHAZLY, SAYED M., ABDELAZEEM M. ABDELMAGEED, GAMILY HASSAN, and BADRY NOBI. “Atmospheric Extinction Related to Aerosol Mass Concentration and Meteorological Conditions in the Atmosphere of Qena (Egypt)”. MAUSAM 42, no. 4 (October 1, 1991): 367–374. Accessed September 19, 2024. http://103.215.208.102/index.php/MAUSAM/article/view/3268.