PAI, D. S. ., M. . RAJEEVAN, and U. S. . DE. “Upper Troposphere Circulation Anomalies over Asia-Pacific Region Associated With the Interannual Variation of Indian Summer Monsoon”. MAUSAM, vol. 49, no. 4, Oct. 1998, pp. 461-8, doi:10.54302/mausam.v49i4.3656.