bing_xuhong 发表:University of Texas - Austin
http://wwwlib.umi.com/cr/utexas/main
University Utrecht(Electronic Theses and Dissertations)
http://laurel.library.uu.nl/cgi-bin/mus212...server?DB=da_en
UW Electronic Thesis Database
http://etheses.uwaterloo.ca/
Uppsala Universitiet
http://publications.uu.se/theses/
Virginia Commonwealth University
http://etd.vcu.edu/ETD-db/ETD-search/search
Worcester Polytechnic Institute
http://www.wpi.edu/ETD-db/ETD-search/search