@techreport{weko_39123_1, author = "橋本,秋彦 and 末永,康仁", title = "ボーダー・レイトレーシングの画質と高速化率", year = "1987", institution = "NTT電気通信研究所, NTT電気通信研究所", number = "46(1987-CG-027)", month = "jul" }