IEEE TRANSACTIONS ON PATTERN ANALYSIS AND MACHINE INTELLIGENCE, vol. 28, no. 11, page. 1869 - 1874, 2006-11
WIRELESS NETWORKS, vol. 12, no. 1, page. 45 - 52, 2006-02
EUROPEAN JOURNAL OF OPERATIONAL RESEARCH, vol. 168, no. 3, page. 998 - 1008, 2006-02-01
LECTURE NOTES IN COMPUTER SCIENCE, vol. 3973, page. 524 - 530, 2006-01
LECTURE NOTES IN COMPUTER SCIENCE, vol. 3973, page. 491 - 497, 2006-01
LECTURE NOTES IN COMPUTER SCIENCE, vol. 3971, page. 1238 - 1243, 2006-01