SRIVASTAVA, H. N., S. V. DATAR, and B. MUKHOPADHYAY. “Treands in Atmospheric Turbidity over India”. MAUSAM 43, no. 2 (April 1, 1992): 183–190. Accessed September 19, 2024. http://103.215.208.102/index.php/MAUSAM/article/view/3382.