Tu, C.-H.C.-H.TuTu, K.Y.K.Y.TuChang, F.-R.F.-R.ChangWang, L.-S.L.-S.Wang2009-02-182018-07-062009-02-182018-07-061997http://ntur.lib.ntu.edu.tw//handle/246246/132861application/pdf273943 bytesapplication/pdfen-USjournal articlehttp://ntur.lib.ntu.edu.tw/bitstream/246246/132861/1/11.pdf