@article{oai:repository.dl.itc.u-tokyo.ac.jp:00032348, author = {坪井, 忠二 and 実川, 顕 and 田島, 広一 and 岡田, 惇}, issue = {1}, journal = {地震研究所彙報別冊}, month = {Aug}, pages = {1--45}, title = {Gravity Survey along the Lines of Precise Levels throughout Japan by Means of a Worden Gravimeter. : Part 1. Shikoku District}, volume = {4}, year = {1953} }