Колосек — разлика између измена

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* Pike, J., (2001), ''Track'', Sutton Publishing,. ISBN 978-0-7509-2692-8

* {{Cite book |ref= harv|last=Robinson | first = A M | title = Fatigue in railway infrastructure | publisher = Woodhead Publishing Limited |year=2009|isbn=978-1-85573-740-2|pages=}}

* {{Cite book |ref= harv|last=Lewis | first = R | title = Wheel/rail interface handbook | publisher = Woodhead Publishing Limited |year=2009|isbn=978-1-84569-412-8|pages=}}