SHAZLY, SAYED M.EL, ABDELAZEEM M. ABDELMAGEED, and GAMEEL Y. HASSAN AND BADRY NOBI. “CONSTRUCTION OF AN OPTICAL DEVICE FOR MEASURING ATMOSPHERIC DUST EXTINTION”. MAUSAM 43, no. 1 (January 1, 1992): 110–112. Accessed November 23, 2024. http://103.215.208.102/index.php/MAUSAM/article/view/3346.