1. U.S. Patent No. 3,791,852;Bunshah,1974
2. Activated Reactive Evaporation Process for High Rate Deposition of Compounds
3. High speed friction and wear characteristics of vapor-deposited coatings of TiC and WC+Co in a vacuum environment;Taylor;Charles Stark Draper Lab. Rep. P-286,1976
4. Standard Handbook for Electrical Engineers;Knowlton,1949
5. Handbook of Thin Film Technology;Maissel,1970