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JOURNAL OF THE KOREAN PHYSICAL SOCIETY, vol. 35, page. S236 - S240, 1999-07
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, vol. 265, no. 1-2, page. 208 - 216, 1999-06-15
METALLURGICAL AND MATERIALS TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE, vol. 30, no. 5, page. 1211 - 1221, 1999-05