CHOPRA, A. N., H. S. AHUJA, M. M. SETH, P. BHATTACHARYA, and K. CHATTERJEE. “INTERCALIBRATION OF DOBSON OZONE SPECTROPHOTOMETERS IN THE INDIAN NETWORK (1978-80)”. MAUSAM 32, no. 4 (October 1, 1981): 440–441. Accessed November 23, 2024. http://103.215.208.102/index.php/MAUSAM/article/view/3363.