1. Alaka, M. A., Tellus, 10 (1), 24 (1958).
2. Koteswaram, P., Tellus, 10 (1), 43 (1958); Monsoons of the World, Proc. Symp., New Delhi, 105 (1958).
3. Reiter, E. R., Jet Stream Meteorology, 238 (Chicago: University of Chicago Press, 1963).
4. Raman, C. R. V., Meteorology in Relation to High Level Aviation in India and Surrounding Areas, Proc. Symp. (1957), New Delhi, 109 (1962).
5. Parthasarathy, K., Monsoons of the World, 185 (1958). (See ref. 2.)