1. Geiger, R. (1965) The Climate Near the Ground. Cambridge, Mass.: Harvard University Press.
2. List, R. J. (1971) Smithsonian Meterological Tables, 6th ed. Washington, D.C.: Smithsonian Institution Press.
3. Riegel, C. A. , A. N. Hull, and T. M. L. Wigley (1974) Comments on “a simple but accurate formula for the saturation vapor pressure over liquid water.” J. Appl. Meteor. 13:606–608.
4. Taylor, S. A. , and G. L. Ashcroft (1972) Physical Edaphology: The Physics of Irrigated and Nonirrigated Soils. San Francisco: W. H. Freeman.