TY - JOUR AU - Gerald Blessing AU - Steven Fick AU - Nelson Hsu AU - John Slotwinski 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 -