@article{oai:repository.dl.itc.u-tokyo.ac.jp:00032977,
 author = {笹井, 洋一 and 石川, 良宣},
 issue = {4},
 journal = {東京大學地震研究所彙報 = Bulletin of the Earthquake Research Institute, University of Tokyo},
 month = {Mar},
 note = {application/pdf},
 pages = {739--757},
 title = {伊豆半島東部地域の異常地殻活動に伴う全磁力変化(第4報) : 1981年伊豆半島東北部の異常変化},
 volume = {57},
 year = {1986}
}