PATTERN RECOGNITION, vol. 36, no. 12, page. 2757 - 2767, 2003-12
PATTERN RECOGNITION LETTERS, vol. 24, no. 15, page. 2815 - 2821, 2003-11
PATTERN RECOGNITION LETTERS, vol. 24, no. 9-10, page. 1385 - 1393, 2003-06
NEURAL PROCESSING LETTERS, vol. 17, no. 3, page. 239 - 252, 2003-06
PATTERN RECOGNITION, vol. 36, no. 5, page. 1095 - 1105, 2003-05
PATTERN RECOGNITION LETTERS, vol. 24, no. 1-3, page. 215 - 225, 2003-01