TY - JOUR AU - Slotwinski, John AU - Lopez-Sanchez, Ana AU - Sydnor, G C2 - Materials Evaluation DA - 2000-01-01 00:01:00 LA - en M1 - March PB - Materials Evaluation PY - 2000 TI - Variable Waveform Excitation of Ceramic-Element Transducers for ASTM E127-Type Reference Blocks ER -