@article{oai:ir.kagoshima-u.ac.jp:00008482,
 author = {坂元, 隼雄 and Sakamoto, Hayao},
 journal = {Nature of Kagoshima},
 month = {May},
 pages = {177--189},
 title = {桜島火山灰の水溶性成分変化と火山活動},
 volume = {39},
 year = {2013},
 yomi = {サカモト, ハヤオ}
}