NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, vol. 798, page. 162 - 166, 2015-10-21
JOURNAL OF THE KOREAN PHYSICAL SOCIETY, vol. 59, no. 2, page. 559 - 562, 2011-08
JOURNAL OF THE KOREAN PHYSICAL SOCIETY, vol. 54, no. 5, page. 1942 - 1947, 2009-05
JOURNAL OF THE KOREAN PHYSICAL SOCIETY, vol. 48, no. 3, page. 371 - 376, 2006-03