@techreport{weko_194758_1,
   author	 = "Katsuhisa,Yamanaka and Takashi,Horiyama and Yoshio,Okamoto and Ryuhei,Uehara and Tanami,Yamauchi",
   title	 = "Enumerating Surrounding Polygons",
   year 	 = "2019",
   institution	 = "Iwate University, Saitama University, The University of Electro-Communications／RIKEN Center for Advanced Intelligence Project, Japan Advanced Institute of Science and Technology, Iwate University",
   number	 = "3",
   month	 = "feb"
}