@article{oai:uec.repo.nii.ac.jp:00007656,
 author = {山中, 惣之助 and 宇佐美, 興一 and 原, 信彦 and Yamanaka, Sonosuke and Usami, Koichi and Hara, Nobuhiko},
 issue = {1},
 journal = {電気通信大学学報, Reports of the University of Electro-Communications},
 month = {Aug},
 pages = {1--10},
 title = {電流スイッチングD級発振器の研究(第2報)},
 volume = {32},
 year = {1981},
 yomi = {ヤマナカ, ソウノスケ and ウサミ, コウイチ and ハラ, ノブヒコ}
}