@article{oai:jaxa.repo.nii.ac.jp:00034748,
 author = {佐藤, 孝二 and 五十嵐, 壽一 and 荒井, 昌昭 and Sato, Koji and Igarashi, Juichi and Arai, Masaaki},
 issue = {1},
 journal = {東京大學理工學研究所報告},
 month = {Jan},
 note = {資料番号: SA3417440000},
 pages = {1--5},
 title = {蓄音器の研究 : (その1)音響性能に就て(物理學)},
 volume = {3},
 year = {1949}
}