Al-Haddad, A. A. and Salih, Nbhan D. and Wen, Chin Chee and Yusaf, T. F. and Yousif, B. F. (2010) New technique measuring film thickness for tribological machines. In: 2009 ASME International Mechanical Engineering Congress and Exposition, 13-19 Nov 2009, Lake Buena Vista, FL. United States.