@article{oai:repository.dl.itc.u-tokyo.ac.jp:00033601,
 author = {Kasahara, Keichi and Okada, Atusi},
 issue = {1},
 journal = {東京大學地震研究所彙報 = Bulletin of the Earthquake Research Institute, University of Tokyo},
 month = {Jul},
 note = {application/pdf},
 pages = {335--350},
 title = {Electro-Optical Measurement of Horizontal Strains Accumulating in the Swarm Earthquake Area (1)},
 volume = {44},
 year = {1966}
}