TY - CONF T1 - High frequency measurements of the contact between machine elements using ultrasound JO - REVIEW OF PROGRESS IN QUANTITATIVE NONDESTRUCTIVE EVALUATION, VOLS 21A & B PY - 2002/01/01 AU - Quinn AM AU - Drinkwater BT AU - Dwyer-Joyce RS ED - Thompson DO ED - Chimenti DE VL - 615 SP - 67 EP - 74 Y2 - 2025/06/27 ER -