DATTA, R. K., B. M. CHIABR, and B. V. SINGH. “An Experiment in Objective Analysis for 500 Mb”. MAUSAM 21, no. 3 (July 1, 1970): 437–442. Accessed September 20, 2024. http://103.215.208.102/index.php/MAUSAM/article/view/5406.