1. Thermal spraying: Practice, Theory and Application, American Welding Society.
2. Production of free standing objects by HVOF thermal spraying process;Helali;J. Mater. Proc. Tech.,1996
3. M.M. Helali, Spray forming of thin walled net shaped components of hard materials by HVOF process, Ph.D Research Thesis, September, 1994.
4. ASTM-Designation C633-79: Standard test method for adhesion or cohesive strength of flame-sprayed coatings.
5. Perkin and Elmer, Diamond Jet System and Gun Manual, Metco, 1989.