HUDDAR, B. B., and C. P. JOSEPH. “The Study of the Electrical Conductivity of Air in the Lower Stratosphere at Poona”. MAUSAM 25, no. 3 & 4 (July 1, 1974): 469–472. Accessed October 9, 2024. https://mausamjournal.imd.gov.in/index.php/MAUSAM/article/view/5258.