1. H. B. Callen, Thermodynamics, Wiley, New York, 1960.
2. D. Kondepudi and I. Prigogine, Modern Thermodynamics, Wiley, Chichester, 1998.
3. D. Jou and C. Pérez-García, Phys. Rev. A 28 (1983) 2541; M. Grmela, Phys. Lett. A 120 (1987) 276.
4. A. Onuki, K. Yamazaki and K. Kawasaki, Ann. Phys. (NY) 131 (1981) 217.
5. A. Onuki, Prog. Theoret. Phys. 63 (1980) 1854; 64 (1980) 1902.