1. G. Rouchka and H. Wutnau (editors), Refractory Materials: Handbook [in Russian], Intermet Inzhiniring, Moscow (2010).
2. C. S. Semler, “Advancement of refractories never stops,” 8th India International Refractories Congress 2010, 4 – 6 February 2010, Kolkata, India.
3. H. Nomura, “Technological changes and future needs of steel making refractories in Japan,” Taikabutsu Overseas, 29, No. 3, 173–182 (2009).
4. I. Watanabe, “Refractory resources in the world,” Taikabutsu–Refractory, 61, No. 9, 4467–452 (2009).
5. W. E. Lee, R. Guimaraes de Sa, and S. Zhang, “Challenges and opportunities for the refractories industry — an academic perspective,” Refractories Worldforum, No. 3, September (2010).