Metals and Materials International, vol. 19, no. 1, page. 129 - 133, 2013-01
JOURNAL OF THE KOREAN PHYSICAL SOCIETY, vol. 53, no. 1, page. 253 - 257, 2008-07
JOURNAL OF THE KOREAN PHYSICAL SOCIETY, vol. 42, no. 3, page. 413 - 417, 2003-03
JOURNAL OF THE KOREAN PHYSICAL SOCIETY, vol. 40, no. 5, page. 866 - 872, 2002-05
JOURNAL OF THE KOREAN PHYSICAL SOCIETY, vol. 40, no. 3, page. 501 - 510, 2002-03