00306nam a22001217a 4500020001400000082001500014100001700029245006400046260003400110300001000144650000900154650002100163 a853120994 a669.69 HAR aHarrison,T.S aHandbook of analytical control of iron and steel production aNew YorkbEllis Horwoodc1979 a602 p aIron asteel production