@article{weko_102600_1,
   author	 = "Toshihiko,Takahashi",
   title	 = "A Compact Code for Rectangular Drawings with Degree Four Vertices",
   journal	 = "情報処理学会論文誌",
   year 	 = "2014",
   volume	 = "55",
   number	 = "8",
   month	 = "aug"
}