1. Turnbull, D., and Cohen, M. H., J. Chem. Phys., 29, 1049 (1958).
2. Cohen, M. H., and Turnbull, D., J. Chem. Phys., 31, 1164 (1959).
3. Turnbull, D., and Cohen, M. H., J. Chem. Phys., 34, 120 (1961).
4. Turnbull, D., and Cohen, M. H., in Modern Aspects of the Vitreous State, edit. by MacKenzie, J. D., 1, 38 (1960).
5. These results are analogous to those obtained by Gibbs and DiMarzio (J. Chem. Phys., 28, 373; 1958) with a lattice model specifically applicable to molecularly complex systems.