Ron Kurtus. «Preventing Loss of Traction». School for Champions, 28-03-2008. [Consulta: 13 gener 2012]. «When a surface is wet, a layer of water can act as a lubricant, greatly reducing the traction and stability of the vehicle. If enough water is under the tire, hydroplaning can occur.»
web.archive.org
«Archived copy». Arxivat de l'original el 25 de juliol 2011. [Consulta: 28 març 2009].
