TY - JOUR T1 - New observations on the effect of roughness and third-body layers on friction at the wheel/rail interface JO - Wear UR - https://doi.org/10.1016/j.wear.2026.206619 PY - 2026/05/01 AU - Shackleton HR AU - Skipper W AU - Lewis R ED - DO - DOI: 10.1016/j.wear.2026.206619 PB - Elsevier BV VL - 593 SP - 206619 EP - 206619 Y2 - 2026/03/24 ER -