1. J. B. Boyling,Comm. Math. Phys. 10, 52 (1968).
2. P. T. Landsberg,Pure Appl. Chem. 22, 215 (1970).
3. L. Tisza,Generalized Thermodynamics (MIT Press, Cambridge, Massachussets, 1966).
4. H. Callen,Thermodynamics (Wiley, New York, 1960).
5. C. Truesdale,Rational Thermodynamics (McGraw-Hill, New York, 1969).