TY - JOUR AU - Blessing, Gerald AU - Fick, Steven AU - Hsu, Nelson AU - Slotwinski, John C2 - IEEE Transactions on Ultrasonics Ferroelectrics and Frequency Control DA - 2000-01-01 LA - en M1 - 8 PB - IEEE Transactions on Ultrasonics Ferroelectrics and Frequency Control PY - 2000 TI - Ultrasonic Research in the NIST Manufacturing Engineering Laboratory ER -