References for the Lee-Kesler equation of state

Lee, B.I.; Kesler, M.G. A Generalized Thermodynamic Correlation Based on Three-Parameter Corresponding States. AIChE J. 1975, 21(3), 510-527.

Pitzer, K.S.; Hultgren, G.O. The Volumetric and Thermodynamic Properties of Fluids. V. Two Component Solutions. J. Am. Chem. Soc. 1958, 80(18), 4793-4796.

Benedict, M.; Webb, G. R.; Rubin, L. C. An Empirical Equation for Thermodynamic Properties of Light Hydrocarbons and Their Mixtures I. Methane, Ethane, Propane, and n-Butane. J. Chem. Phys. 1940, 8, 334-345.