MUKHOPADHYAY, R. K., V. R. SESHADRI, S. R. KALSI, and G. SUNDARI. “ON PREDICTING THE DATES OF WITHDRAWAL OF SOUTHWEST MONSOON FROM NORTHWEST INDIA”. MAUSAM, vol. 32, no. 4, Oct. 1981, pp. 438-9, doi:10.54302/mausam.v32i4.3361.