“Large-Scale Rainfall over India During the Summer Monsoon and Its Relation to the Lower and Upper Tropospheric Vorticity”. MAUSAM 29, no. 1 (January 1, 1978): 219–231. Accessed February 28, 2026. https://mausamjournal.imd.gov.in/index.php/MAUSAM/article/view/2881.