@article{oai:repository.dl.itc.u-tokyo.ac.jp:00033254, author = {荒牧, 重雄 and 原村, 寛}, issue = {1}, journal = {東京大學地震研究所彙報 = Bulletin of the Earthquake Research Institute, University of Tokyo}, month = {Mar}, note = {application/pdf}, pages = {109--114}, title = {Geochemical Notes (1) : Chemical and Mineral Compositions of Ejecta of 1973 Eruption, Asama Volcano}, volume = {50}, year = {1975} }