@article{oai:repository.dl.itc.u-tokyo.ac.jp:00033303,
 author = {長谷川, 周而 and 南雲, 昭三郎},
 issue = {5},
 journal = {東京大學地震研究所彙報 = Bulletin of the Earthquake Research Institute, University of Tokyo},
 month = {Dec},
 note = {application/pdf},
 pages = {967--981},
 title = {51.海底地震計用長期間磁気テープレコーダの試作および海底地震記録の特徴},
 volume = {48},
 year = {1970}
}