CHOPRA, A. N., AHUJA, . H. S., SETH, M. M., BHATTACHARYA, P. and CHATTERJEE, K. (1981) “INTERCALIBRATION OF DOBSON OZONE SPECTROPHOTOMETERS IN THE INDIAN NETWORK (1978-80)”, MAUSAM, 32(4), pp. 440–441. doi: 10.54302/mausam.v32i4.3363.