Chu, H.H.ChuKang, M.CM.CKangChiang, L.L.Chiang2010-05-092018-06-282010-05-092018-06-281999http://ntur.lib.ntu.edu.tw//handle/246246/181488application/pdf84817 bytesapplication/pdfen-USGeneration of Invariantsjournal articlehttp://ntur.lib.ntu.edu.tw/bitstream/246246/181488/1/08.pdf