"小山大介,中村健太郎,上羽貞行,高橋久徳,温井一光,池田顕蔵,小山謙一","棒のたわみ振動を用いたボンベ残量測定方法","日本音響学会2007年秋季研究発表会","日本音響学会2007秋季研究発表会講演論文集","日本音響学会",,"  3-10-10","pp. 1233-1234",2007,Sept.