TY - JOUR T1 - Profiling the oil film of a ball bearing with ultrasonic reflection JO - Society of Tribologists and Lubrication Engineers Annual Meeting and Exhibition 2011 PY - 2011/01/01 AU - Wan Ibrahim MK AU - Gasni D AU - Dwyer-Joyce RS ED - SP - 125 EP - 128 Y2 - 2025/07/27 ER -