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Proc. of KNOM 2001 Conference, page. 49 - 54, 2001-05-01
Proc. of KNOM 2001 Conference, page. 184 - 189, 2001-05-01
Proc. of KNOM 2001 Conference, page. 163 - 169, 2001-05-01
Proc. of KNOM 2001 Conference, page. 198 - 205, 2001-05-01