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             K. C. Chang ; Systems Engineering Department, George Mason
                  Univer-sity Fairfax, VA22030 Tel. (703)993-1639
                            e.mail: kchang@gmu.edu

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                          ÐÁÓñÀ¼(Yulan Magnolia Hsing)
                       The Institute of Public Policy (MS3C6)
                            George Mason University
                            Fairfax, VA 22030-4444
                     Tel. (W) 703-9931323£º(H)
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