@techreport{weko_102300_1,
   author	 = "Keisuke,Fukuda and Naoya,Maruyama and Jeremy,S.Meredith and Jeffrey,S.Vetter and Satoshi,Matsuoka",
   title	 = "Performance modeling of a hierarchcial N-body algorithm for arbitrary particle distribution (Unrefereed Workshop Manuscript)",
   year 	 = "2014",
   institution	 = "Tokyo Institute of Technology, RIKEN Advanced Institute of Computational Sciences／JST CREST, Oak Ridge National Laboratory, Oak Ridge National Laboratory, Tokyo Institute of Technology",
   number	 = "26",
   month	 = "jul"
}