1. Robert Zwanzig, Ann. Rev. Phys. Chem. 16, 67 (1965).
2. L. Onsager, Phys. Rev. 37, 405 (1931); 38, 2265 (1931).
3. L. Landau and E. M. Lifshitz, Fluid Mechanics, Addison-Wesley, Reading, Massachusetts (1968).
4. S. R. de Groot and P. Mazur, Non-Equilibrium Thermodynamics, North Holland Publishing Co., Amsterdam (1962).
5. M. S. Green, J. Chem. Phys. 20, 1281 (1952).