Wang, D. J.D. J.WangChou, C. S.C. S.ChouWang, Q. S.Q. S.Wang2009-01-212018-06-292009-01-212018-06-292003http://ntur.lib.ntu.edu.tw//handle/246246/106834application/pdf594054 bytesapplication/pdfen-USQualitative Properties of Frequencies and Modes of Beams Modeled by Discrete Systemshttp://ntur.lib.ntu.edu.tw/bitstream/246246/106834/1/05.pdf