TY - JOUR T1 - Studs: A squat-type defect in rails JO - Proceedings of the Institution of Mechanical Engineers Part F Journal of Rail and Rapid Transit PY - 2011/10/31 AU - Grassie SL AU - Fletcher DI AU - Gallardo Hernandez EA AU - Summers P ED - DO - DOI: 10.1177/0954409711421462 VL - 226 IS - 3 SP - 243 EP - 256 Y2 - 2026/01/06 ER -