@article{oai:repository.dl.itc.u-tokyo.ac.jp:00033296,
 author = {Okada, Hiroshi and Suzuki, Sadaomi and Asano, Shuzo},
 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 = {811--833},
 title = {44. Anomalous Underground Structure in the Matsushiro Earthquake Swarm Area as Derived from α Fan Shooting Technique},
 volume = {48},
 year = {1970}
}