@techreport{weko_51690_1,
   author	 = "山口富士夫 and 小西和正",
   title	 = "自由曲面の一設計方式",
   year 	 = "1975",
   institution	 = "機振協技研, 機振協技研",
   number	 = "20(1974-ICS-019)",
   month	 = "feb"
}