@article{oai:sgul.repo.nii.ac.jp:00001268,
 author = {勝井, 義雄},
 issue = {1},
 journal = {社会情報 = Social Information},
 month = {Dec},
 note = {Bulletin, 最終講和},
 pages = {107--115},
 title = {火山を歩いて50年},
 volume = {9},
 year = {1999}
}