Liaw, H. T.H. T.LiawWang, S. J.S. J.WangLei, C. L.C. L.Lei2009-02-272018-07-062009-02-272018-07-061993http://ntur.lib.ntu.edu.tw//handle/246246/142108application/pdf383472 bytesapplication/pdfen-USA dynamic cryptographic key assignment scheme in a tree structurejournal articlehttp://ntur.lib.ntu.edu.tw/bitstream/246246/142108/1/04.pdf