00376nam a22001577a 4500 20260430073654.0 0 0 0 0 BB BB 2004-01-01 0 666.72 NOR 2002 2004-01-01 00:00:00 2004-01-01 BB 0 0 0 0 BB BB 2004-01-01 0 666.72 NOR 2006 2004-01-01 00:00:00 2004-01-01 BB 0 0 0 0 BB BB 2004-01-01 0 666.72 NOR 2004 2004-01-01 00:00:00 2004-01-01 BB 55478 55478 070475385 (hbk.) 666.72 NOR Norton, F. H. Refractories / F. H. Norton. 4th ed. New York : McGraw Hill, 1968. vii, 450p. : ill. ;22cm. Index. BK