@article{oai:repository.dl.itc.u-tokyo.ac.jp:00033720, author = {Rikitake, Tsuneji}, issue = {2}, 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 = {343--355}, title = {Studies of the Thermal State of the Earth. The 14th Paper : A Theory of Non-Steady mantle Convection}, volume = {41}, year = {1963} }