@article{oai:repository.dl.itc.u-tokyo.ac.jp:00033099, author = {Sato, Jun and Sato, Kazuo and Yokozawa, Okihiko}, issue = {3}, 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 = {503--513}, title = {Variation of Concentrations of Radon and Some Other Constituents of Underground Waters in a Landslide Zone : Narao District, Nagano Prefecture}, volume = {54}, year = {1980} }