1. E. P. Wigner andF. Seitz:Qualitative Analysis of the Cohesion of Metals, pp. 97–126 inSolid State Physics, vol. I, ed. byF. Seitz andD. Turnbull: (New York, 1955). Cfr. alsoE. P. Wigner:Proc. 1953Intern. Conf. Theor. Phys. (Tokyo, 1954), p. 649.
2. An earlier qualitative discussion of cohesion is given inF. Seitz:Modern Theory of Solids (New York, 1940), chap. I, pp. 1–75. Cfr. alsoC. Kittel:Introduction to Solid State Physics, 2nd ed. (New York, 1956), chap. 3, pp. 63–85.
3. For a general discussion of cohesion of metals, seeTheory of Alloy Phases, American Society for Metals (Cleveland, 1956), especially the chapters byJ. C. Slater, pp. 1–13, andH. Brooks, pp. 199–220.
4. The numerical values of cohesive energy are taken from Table II, p. 108 of ref. [1].