APPLIED INTELLIGENCE, vol. 17, no. 2, page. 171 - 185, 2002-09
PATTERN RECOGNITION, vol. 34, no. 12, page. 2459 - 2466, 2001-12
INTELLIGENT AUTOMATION AND SOFT COMPUTING, vol. 8, no. 4, page. 303 - 313, 2002-01
PATTERN RECOGNITION LETTERS, vol. 23, no. 7, page. 833 - 841, 2002-05