@article{oai:air.repo.nii.ac.jp:00004607,
 author = {ISHIKAWA, Yohei},
 issue = {3},
 journal = {Journal of the Mining College, Akita University. Ser. A, Mining geology},
 month = {Mar},
 pages = {125--136},
 title = {Volcanic Activity Related to the Formation of the Kuroko Deposits of the Fukazawa-Ezuri Area in the Hokuroku District, Akita Prefecture},
 volume = {7},
 year = {1990}
}