KOREAN JOURNAL OF METALS AND MATERIALS, vol. 48, no. 6, page. 477 - 488, 2010-06
KOREAN JOURNAL OF METALS AND MATERIALS, vol. 48, no. 2, page. 109 - 115, 2010-02
JOURNAL OF THE KOREAN INSTITUTE OF METALS AND MATERIALS, vol. 45, no. 12, page. 654 - 662, 2007-12
JOURNAL OF THE KOREAN INSTITUTE OF METALS AND MATERIALS, vol. 45, no. 8, page. 435 - 446, 2007-08