@techreport{weko_39077_1,
   author	 = "瀬戸口,良三",
   title	 = "構成的形状記述（CGM）と形状エンジン",
   year 	 = "1988",
   institution	 = "東北大学工学部精密工学科",
   number	 = "55(1988-CG-033)",
   month	 = "jul"
}