1. A. B. D. Cassie, in Surface Phenomena in Chemistry and Biology (J. F. Daniellli, K. G. A. Pankhurst, and A. C. Riddiford, eds.), p. 166, Pergamon Press, New York (1958).
2. N. K. Adam, The Physics and Chemistry of Surfaces, 3rd ed., p. 169, Oxford University Press, London (1941).
3. E. W. Washburn, Phys. Rev.
17 273 (1921).
4. Lord Rayleigh, Proc. London Math. Soc.
10, 4 (1879).
5. S. L. Goren, J. Colloid Sci.
19, 81 (1964).