TY - BOOK ED - Ironmaking Conference, 40th ED - American Institute of Mining, Metallurgical, and Petroleum Engineers. TI - Proceedings of the 40th ironmaking conference toronto meeting, march 29-april, 1981 AV - TN705 I75 1981 CY - Ann arbor, mich. PB - Iron and steel society of aime, 19-- KW - Hierro KW - Metalurgia ER -