1. Lamps and Lighting;Parker,1997
2. High temperature chemistry in metal halide lamps;Hilpert;Thermochimica Acta,1997
3. Progress in Surface and Membrane Science;Naidlich,1981
4. Wettability at High Temperatures;Eustathopoulous,1999
5. R.L. Coble, US Patent Number 3026210, Transparent Alumina and Method of Preparation, 1962.