1. J.G. Kirkwood and I. Oppenheim, ‘Chemical Thermodynamics’ McGraw Hill Book Co. New York, (1961).
2. T.L.Hill, in ‘Membrane Phenomena’ Disc. Faraday Society, (1956) p.31.
3. R.H.Fowler and E.A.Guggenheim, ‘Statistical Thermodynamics’ Cambridge University Press, New York, (1939).
4. E.J.W.Verwey and Th.G.Overbeek, ‘Theory of Stability of Lyophobic Colloids’ Elsevier Publishing Co. New York (1945) p. 31.
5. N.Lakshminarayaniah, ‘Transport Phenomena in Membranes’ Academic Press, New York, (1969).