@article{oai:repository.dl.itc.u-tokyo.ac.jp:00033449,
 author = {the Parties for Aftershock Observation},
 issue = {2},
 journal = {東京大學地震研究所彙報 = Bulletin of the Earthquake Research Institute, University of Tokyo},
 month = {Jun},
 note = {application/pdf},
 pages = {205--221},
 title = {11. Observation of Aftershocks of the Nugata Earthquake of June 16, 1964},
 volume = {46},
 year = {1968}
}