TY - JOUR T1 - Profiling a Ball Bearing Oil Film with Ultrasonic Reflection JO - Tribology Transactions PY - 2012/01/01 AU - Wan Ibrahim MK AU - Gasni D AU - Dwyer-Joyce RS ED - DO - DOI: 10.1080/10402004.2012.664836 VL - 55 IS - 4 SP - 409 EP - 421 Y2 - 2024/12/27 ER -