CUHK electronic theses & dissertations collection

Wei Chunmei."September 2000."Thesis (Ph.D.)--Chinese University of Hong Kong, 2000.Includes bibliographical references (p. 137-140).Electronic reproduction. Hong Kong : Chinese University of Hong Kong, [2012] System requirements: Adobe Acrobat Reader. Available via World Wide Web.Mode of access: World Wide Web.Abstracts in English and Chinese