Das A, Malurkar S. Kodaikanal Solar,Geomagnetic and Ionospheric data, July-September 1952. MAUSAM [Internet]. 1953Jan.1 [cited 2025Apr.17];4(1):98-102. Available from: https://mausamjournal.imd.gov.in/index.php/MAUSAM/article/view/4794