@article{oai:repository.dl.itc.u-tokyo.ac.jp:00034201,
 author = {the Earthquake Research Institute},
 issue = {3-4},
 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 = {387--392},
 title = {28. Observation of Aftershocks Carried out in Imaichi District, Tochigi Prefecture},
 volume = {28},
 year = {1951}
}