1. Y.P. Syrnikov, Water in Biological Sistems, Consultants Bureau, New York, 1969.
2. C. Botré, S. Borghi, M. Marchetti and M. Baumann, Biopolymers 4, 1046 (1966).
3. C. Botré, S. Borghi, M. Marchetti and M. Baumann, Biopolymers 5, 483 (1967).
4. T.L. Hill, Statistical Thermodynamics, Addison Wesley, Reading, Mass., 1960.
5. T.L. Hill, Thermodynamics of Small Systems, Benjamin, New York, 1963.