1. D. Turnbull, Contemp. Phys. 10, 473 (1969).
2. Although there is no proof, many people believe that all liquids can be quenched into a glassy state if the cooling rate is great enough. [For a discussion see: F. Spaepen and D. Turnbull, in Rapidly Quenched Metals; Second International Conference, Section I, edited by N. J. Grant and B. C. Giessen page 205 (MIT Press, 1976).] For example, the Lennard-Jones computer “liquid”, which is a good approximation to liquid argon, can be quenched into a glass using cooling rates which are much greater than can be currently attained in the laboratory
3. See e.g.: A. Rahman, M.J. Mandell and J.P. McTague, J. Chem. Phys. 64, 1564 (1976)
4. J. Fox and H.C. Andersen, J. Phys. Chem. 88, 4019 (1984).
5. To see the relationship between the values of To obtained from these two fits see: J. Souletie, J. Phys. (Paris) 49, 1211 (1988).