@techreport{weko_31861_1,
   author	 = "Zhi-ZhongChen and Tatsuie,Tsukiji",
   title	 = "Computing Bounded - Degree Phylogenetic Roots of Disconnected Graphs",
   year 	 = "2004",
   institution	 = "Department of Mathematical Sciences  Tokyo Denki University, Department of Information Science  Tokyo Denki University",
   number	 = "34(2003-AL-094)",
   month	 = "mar"
}