ARUNACHALAM , G., and R. MURALIKRISHNA. “A Radar Study of the Gopalpur Cyclone of 20 to 25 September 1972”. MAUSAM 27, no. 3 (July 1, 1976): 299–302. Accessed June 21, 2024. https://mausamjournal.imd.gov.in/index.php/MAUSAM/article/view/2543.