“INTERCALIBRATION OF DOBSON OZONE SPECTROPHOTOMETERS IN THE INDIAN NETWORK (1978-80)”. MAUSAM 32, no. 4 (October 1, 1981): 440–441. Accessed December 22, 2025. https://mausamjournal.imd.gov.in/index.php/MAUSAM/article/view/3363.