LECTURE NOTES IN COMPUTER SCIENCE, vol. 3779, page. 396 - 404, 2005-01
LECTURE NOTES IN COMPUTER SCIENCE, vol. 3740, page. 566 - 579, 2005-01
LECTURE NOTES IN COMPUTER SCIENCE, vol. 3402, page. 454 - 467, 2005-01
LECTURE NOTES IN COMPUTER SCIENCE, vol. 3516, page. 439 - 446, 2005-01