Fels, S. B., 1986: Analytic representations of standard atmosphere temperature profiles. Journal of the Atmospheric Sciences, 43 (2), 219-221.

Abstract: Analytic functions which approximate six commonly used standard temperature profiles (the AFGL set, and the 1976 U.S. Standard) are described. These provide a uniform way of rounding off the sharp corners of the original models, and have been used in a recent radiation model intercomparison study.