Advances in refractories for the metallurgical industries III "gateway to the 21st century - aus portes du 21e siècle", August 22 - 26 Août, 1999, Québec City, Québec, Canada ; proceedings of the International Symposium on Advances in Refractories for the Metallurgical Industries III (Canadian Inst. of Mining, Metallurgy and Petroleum, 1999)