1. Titanium casting—a review of casting machines;Hamanaka;Trans Acad Dent Mater Honolulu Hawaii,1993
2. Titanium. A technical guide;Donachie,1988
3. Mold filling of Ti castings using investments with different gas permeability;Syverud;Dent Mater,1995
4. Effect of pressure difference on the quality of titanium casting;Watanabe;J Dent Res,1997
5. Mold filling and porosity in casting of titanium;Herø;Dent Mater,1993