%0 Journal Article %T Thermal Methods for Low Level Ultrasonic Energy Measurement %A Herman, Bruce A. %A Stewart, Harold F. %A Robinson, Ronald A. %A Zieniuk, George %J Proceedings of SPIE %V 96 %P 365-373 %@ 0277-786X %D 1976-12-23 %I SPIE %~ DeepDyve