@article{weko_3797_1, author = "高橋,博 and 熊谷,貞治", title = "火山列島硫黄島の火山現象調査図(付図説明)", journal = "国立防災科学技術センター研究速報", year = "1976", volume = "", number = "23", pages = "17--18", month = "mar" }