WAHID, A., M. K. RAHIMI, and M. F. SHAH. “Main Synoptic Conditions over India and Neighbourhood During a Period of 40 Days before Onset of Monsoon 1979”. MAUSAM, vol. 31, no. 2, Apr. 1980, pp. 319-22, doi:10.54302/mausam.v31i2.3873.