Wu, B. Y.B. Y.WuChao, K.-M.K.-M.ChaoTang, C. Y.C. Y.Tang2010-09-022018-07-052010-09-022018-07-052000-03http://ntur.lib.ntu.edu.tw//handle/246246/193618en-USApproximation Algorithms for some Optimum Communication Spanning Tree Problemsjournal articlehttp://ntur.lib.ntu.edu.tw/bitstream/246246/193618/1/94.pdf