“Main Features of the Westward-Moving Low Pressure Systems Which Form over the Indian Region During the Summer Monsoon Season and Their Relation to the Monsoon Rainfall”. MAUSAM 40, no. 2 (April 1, 1989): 35–50. Accessed December 22, 2025. https://mausamjournal.imd.gov.in/index.php/MAUSAM/article/view/2041.