@techreport{weko_113215_1,
   author	 = "Kazuho,Katsumata and Ryuhei,Uehara",
   title	 = "The Convex Configurations of Dissection Puzzles with Seven Pieces",
   year 	 = "2015",
   institution	 = "School of Information Science, Japan Advanced Institute of Science and Technology, School of Information Science, Japan Advanced Institute of Science and Technology",
   number	 = "9",
   month	 = "feb"
}