@article{weko_1750_1,
   author	 = "田中,耕平 and 幾志,新吉 and 熊谷,貞治 and 高橋,博",
   title	 = "三宅島の傾斜分級図 火山傾斜分級図No.1",
   journal	 = "防災科学技術研究所　研究資料",
   year 	 = "1989",
   volume	 = "",
   number	 = "136",
   pages	 = "1--2",
   month	 = "mar"
}