@techreport{weko_61253_1,
   author	 = "Hiroshi,Nakashima and Yohei,Miyake and Hideyuki,Usui and Yoshiharu,Omura",
   title	 = "Performance Evaluation of OhHelp'ed 3D Particle-in-Cell Simulation",
   year 	 = "2009",
   institution	 = "ACCMS, Kyoto University, RISH, Kyoto University, RISH, Kyoto University, RISH, Kyoto University",
   number	 = "14(2009-ARC-182)",
   month	 = "feb"
}