@article{oai:repository.dl.itc.u-tokyo.ac.jp:00033521,
 author = {Kasahara, Keichi and Okada, Atusi and Shibano, Mutsuro and Sasaki, Koici and Matsumoto, Shigeo},
 issue = {1},
 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 = {225--239},
 title = {Electro-Optical Measurement of Horizontal Strains Accumulating in the Swarm Earthquake Area (3)},
 volume = {45},
 year = {1967}
}