PANT, P. S., S. K. DAS, and T. R. NATARAJAN. “An Objective Method of Prognosticating the Five-Day Mean 700-Mb Chart Two to Four Days Ahead”. MAUSAM, vol. 16, no. 3, July 1965, pp. 351-60, doi:10.54302/mausam.v16i3.5648.