1. J. W. Gibbs, The Collected Works of J. Willard Gibbs (Longmans, Green, 1928), Vol. 1, p. 288 (footnote).
2. J. S. Rowlinson and B. Widom, Molecular Theory of Capillarity (Oxford University Press, Oxford, 1982), p. 211.
3. Complex wetting phenomena in liquid mixtures: frustrated-complete wetting and competing intermolecular forces
4. S. Dietrich, in Phase Transitions and Critical Phenomena, edited by C. Domb and J. L. Lebowitz (Academic, New York 1988), Vol. 12, Chap. 1, pp. 1–218.