@article{oai:repository.dl.itc.u-tokyo.ac.jp:00033353, author = {Minakami, Takeshi and Hiraga, Shiro and Miyazaki, Tsutomu and Utibori, Sadao}, issue = {5}, journal = {東京大學地震研究所彙報 = Bulletin of the Earthquake Research Institute, University of Tokyo}, month = {Nov}, note = {application/pdf}, pages = {893--949}, title = {42. Fundamental Research for Predicting Volcanic Eruptions(Part 2) : Seismometrrcal Surveys of Volcanoes in Japan and Volcano Sotara in Colombia}, volume = {47}, year = {1969} }