@articleTomberger_Dietmaier_Sextro_Six_2011, title=Friction in wheel--rail contact: A model comprising interfacial fluids, surface roughness and temperature, volume=271, DOI=10.1016/j.wear.2010.10.025, journal=Wear, author=Tomberger, Christoph and Dietmaier, Peter and Sextro, Walter and Six, Klaus, year=2011, pages=2–12