1. Isothermal and cyclic plasma nitriding of titanium alloys;Rolinski;Surf. Eng.,1986
2. A study in laser alloying of titanium alloys;Bharti,1988
3. Surface hardening of titanium by laser nitriding;Katayama,1983
4. Surface nitriding of titanium by laser beams;Seiersten,1983
5. Surface nitriding of titanium by laser beams;Seiersten,1988