@techreport{weko_39261_1,
   author	 = "穂坂衛",
   title	 = "Eurographics 81およびIFIP Working Conf. on CAD Data Basesの報告",
   year 	 = "1981",
   institution	 = "東京電機大",
   number	 = "27(1981-CG-003)",
   month	 = "oct"
}