1. 1H. K. Henisch , Rectifying Semiconductor Contacts ; p.68 . Clarendon Press, Oxford, 1957 .
2. 2F. A. Kroeger, H. J. Vink, Frederick Seitz, and David Turnbull ; pp.307 -435 inSolid State Physics , Vol. 3 . Academic Press, New York, 1956 .
3. Reactions on the surface of copper oxide
4. Effect of Stoichiometry on the Thermal Expansion of TaCx