@techreport{weko_39225_1, author = "近藤邦雄 and 木村文彦", title = "曲面の形状感の表現 濃淡図形作画のためのレンダリングルール", year = "1983", institution = "名大, 東大", number = "35(1983-CG-011)", month = "oct" }