1. M. A. Berliner, Humidity Measurement [in Russian], Énergiya, Moscow (1973).
2. All-Union State Standard (GOST) 8.221-76: The State System of Measurements: Humidity Measurement and Hygrometry: Terms and Definitions [in Russian].
3. R. W. Hyland, J. Res. NBS,79A, No. 4, 551 (1975).
4. R. J. List et al., Smithsonian Meteorological Tables, Smithsonian Institution, Washington (1958).
5. D. P. Johnson, J. Res. NBS,78A, No. 1, 49 (1974).