APPLIED INTELLIGENCE, vol. 35, no. 2, page. 190 - 210, 2011-10
JOURNAL OF INTELLIGENT & ROBOTIC SYSTEMS, vol. 51, no. 3, page. 261 - 287, 2008-03
전자공학회논문지, vol. 43, no. 9, page. 49 - 59, 2006-09