@article{oai:repository.dl.itc.u-tokyo.ac.jp:00032346,
 author = {坪井, 忠二},
 issue = {2},
 journal = {地震研究所彙報別冊},
 month = {Jun},
 pages = {117--123},
 title = {Gravity Survey along the Lines of Precise Levels throughout Japan by Means of a Worden Gravimeter. : Part 3. Supplement to the Previous Report of the Gravity Survey in Shikoku},
 volume = {4},
 year = {1954}
}