1. Chemical and Engineering Thermodynamics;Sandler,1999
2. Entropy Analysis: An Introduction to Chemical Thermodynamics;Craig,1992
3. http://imechanica.org/node/288
4. On the self-organization and concepts of wear-resistance in tribosystems;Bershadski;Trenie I Iznos (Russian Friction and Wear),1992
5. B.I. Kostetski and the general concept in tribology;Bershadski;Trenie I Iznos (Russian Friction and Wear),1993