HANDA, B. K., ADARSH KUMAR, and D. K. GOEL. “Chemical Composition of Rain Water over Lucknow in 1980”. MAUSAM 33, no. 4 (October 1, 1982): 485–488. Accessed September 20, 2024. http://103.215.208.102/index.php/MAUSAM/article/view/2611.