1. Walsh, E.: Introduction to Biochemistry, Macmillan, New York, 1961, pp. 1?25.
2. Kelley, K. K. and King, E. G.: Contributions to the data on theoretical metallurgy XIV. Entropies of the elements and inorganic compounds, U.S. Bureau of Mines Bull. 592, (1961), 101?117.
3. Cochran, A. A.: Life and the wave properties of matter, Dialectica, Internat. Rev. Philos. Knowledge 19 (3/4), (1965), 290?312.
4. Hix, C. and Alley, R.: Physical Laws and Effects, Wiley, New York, 1958, pp. 42?3.
5. MacDougall, F.: Physical Chemistry, Macmillan, New York, 1936, pp. 120?121.