JOURNAL OF THE KOREAN PHYSICAL SOCIETY, vol. 48, page. S192 - S196, 2006-02
INTERNATIONAL JOURNAL OF MODERN PHYSICS B, vol. 21, no. 23-24, page. 4123 - 4128, 2007-09-30
MACHINE VISION AND APPLICATIONS, vol. 10, no. 1, page. 1 - 7, 1997-01
PHYSICAL REVIEW E, vol. 74, no. 4, 2006-10
JOURNAL OF THE KOREAN PHYSICAL SOCIETY, vol. 48, page. S179 - S185, 2006-02