@article{oai:uec.repo.nii.ac.jp:00007590,
 author = {山中, 惣之助 and 宇佐美, 興一 and 菅谷, 潔 and Yamanaka, Sonosuke and Usami, Koichi and Sugaya, Kiyoshi},
 issue = {1},
 journal = {電気通信大学学報, Reports of the University of Electro-Communications},
 month = {Aug},
 pages = {19--28},
 title = {電流スイッチングD級発振器の研究},
 volume = {30},
 year = {1979},
 yomi = {ヤマナカ, ソウノスケ and ウサミ, コウイチ and スガヤ, キヨシ}
}