1. I. Prigoginr:Introduction to Thermodynamics of Irreversible Processes, Chap. 6 (New York, N.Y., 1961).
2. S. R. De Groot andP. Mazur:Nonequilibrium Thermodynamics, Chap. 10 (Amsterdam, 1962).
3. V. Maxia:Lett. Nuovo Cimento,20, 443 (1977).
4. V. Maxia:Phys. Rev. B,17, 3262 (1978).
5. V. V. Antonov-Romanovskii:Izv. Akad. Nauk. SSSR Fiz Ser.,15, 637 (1951).