TY - CONF T1 - Ultrasound as an experimental tool for investigating engineering contacts JO - 9TH NORDIC SYMPOSIUM ON TRIBOLOGY NORDTRIB 2000, VOL 2 PY - 2000/01/01 AU - Hodgson K AU - Dwyer-Joyce RS AU - Drinkwater BW ED - Anderson P ED - Ronkainen H ED - Holmberg K VL - 201 SP - 377 EP - 386 Y2 - 2024/12/27 ER -