@article{oai:repository.dl.itc.u-tokyo.ac.jp:00033871, author = {Horai, Ki'iti}, issue = {4}, journal = {東京大學地震研究所彙報 = Bulletin of the Earthquake Research Institute, University of Tokyo}, month = {Jan}, note = {application/pdf}, pages = {571--592}, title = {Studies of the Thermal State of the Earth. The Third Paper : Terrestrial Heat Flow at Hitachi, Ibaraki Prefecture, Japan}, volume = {37}, year = {1960} }