@article{oai:jaxa.repo.nii.ac.jp:00035925, author = {岩本, 周平}, journal = {東京帝國大學航空研究所雜録}, month = {Jun}, note = {資料番号: SA4416253000}, pages = {46--47}, title = {Cushioning Effect on AEroplanes close to the ground.}, volume = {2}, year = {1921} }