@article{oai:repository.dl.itc.u-tokyo.ac.jp:00033438,
 author = {Kasahara, Keichi and Okada, Atusi and Shibano, Mutsuro and Sasaki, Koichi and Matsumoto, Shigeo and Hirai, Masayo},
 issue = {3},
 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 = {651--661},
 title = {28. Electro-Optical Measurement of Horizontal Strains Accumulating in the Swarm Earthquake Area (4)},
 volume = {46},
 year = {1968}
}