전자공학회논문지 D, vol. 34, no. 4, page. 247 - 256, 1997-01
TR논문지, vol. 7, no. 5, page. 595 - 606, 1997-01
JOURNAL OF THE INSTITUTE OF ELECTRONICS ENGINEERS OF KOREA, vol. 34, no. 4, page. 17 - 26, 1997-01