%0 Journal Article %T Use of Trapped-Energy Mode of Backward-Wave-Type Thickness Vibration for Liquid-Level Sensing %A Seto, Shuichi %A Horiuchi, Shuhei %A Yamada, Ken %J Japanese Journal of Applied Physics %V 49 %N 7S %@ 0021-4922 %D 2010-07-01 %~ DeepDyve