1. The Nature of the Glassy State and the Behavior of Liquids at Low Temperatures.
2. E. Schrödinger, What is life? Mind and Matter, Cambridge University Cambridge, 1967, p. 78; First published as, What is life? (1944). It appears in Chapter 6, `Order, Disorder and Entropy', p. 72
3. J.H. Gibbs, E.A. DiMarzio, J. Chem. Phys. 28 (1958) 373, 807
4. J.H. Gibbs, in: J.D. McKenzie (Ed.), Modern Aspects of the Vitreous State, Butterworths, London, 1960 (Chapter 7)
5. Thermodynamics of High Polymer Solutions