@article{oai:repository.dl.itc.u-tokyo.ac.jp:00033584, author = {Skoko, Dragutin and Sato, Yasuo}, 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 = {13--22}, title = {Optimum Distribution of Seismic Observation Points. III}, volume = {44}, year = {1966} }