@article{oai:jaxa.repo.nii.ac.jp:00035938,
 author = {實吉, 金郎},
 journal = {東京帝國大學航空研究所雜録},
 month = {Oct},
 note = {資料番号: SA4416268000},
 pages = {60--61},
 title = {Automatic Variable Pitch Propeller.},
 volume = {3},
 year = {1921}
}