@techreport{weko_39018_1,
   author	 = "宮田,一乗",
   title	 = "山岳・地形の生成技法の研究動向",
   year 	 = "1989",
   institution	 = "日本アイ・ビー・エム株式会社東京基礎研究所",
   number	 = "68(1989-CG-040)",
   month	 = "aug"
}