JOURNAL OF THE KOREAN PHYSICAL SOCIETY, vol. 55, no. 2, page. 533 - 537, 2009-08
FUSION SCIENCE AND TECHNOLOGY, vol. 55, no. 1, page. 56 - 63, 2009-01
NUCLEAR ENGINEERING AND TECHNOLOGY, vol. 40, no. 6, page. 459 - 466, 2008-10
FUSION SCIENCE AND TECHNOLOGY, vol. 52, no. 2, page. 321 - 333, 2007-08