by 옥연호(Yeon-Ho Ok), 이은웅(Eun-Woong Lee), 임재일(Jae-Il Lim), 박지군(Ji-Kun Park), 곽원구(Won-Ku Kwak), 이재흥(Jae-Heung Lee), 신재필(Jae-Pil Shin), 신병철(Byoung-Chol Shin)
Published in 전기학회 논문지 P권, 58(4) (2009)