1. L. Berkofsky andE. A. Bertoni,Mean topographic charts for the entire hemisphere, Bull. Am. Meteor. Soc.36 (1955), 350?354.
2. F. A. Berson,Circulation and energy balance in a tropical monsoon, Tellus13 (1961), 472?485.
3. National Hurricane Research Project, Report;J. A. Col�n,1960
4. H. Crutcher,Meridional cross-sections, upper winds over the northern hemisphere, U.S. Weather Bureau Technical Paper No. 41, Washington, D.C., 1961 (Reprinted by U.S. Dept. of the Navy, Naval Weather Service, NAVWEPS 50-1 C-537, 1962).
5. H. Flohn,Die planetarische Zirkulation der Atmosph�re bis 30 km H�he, Berichte d. Deutschen Wetterdienstes, US-Zone No. 12 (1950), 156?161.