1. AREMA Manual for Railway Engineering,2015
2. Evaluation of image analysis techniques for quantifying aggregate shape characteristics;Al-Rousan;J Constr Build Mater,2007
3. Geogrid reinforcement of ballasted track;Bathurst,1987
4. Dynamic response of open-graded highway aggregates;Bathurst,1990
5. Optimising the geogrid reinforcement of rail track ballast;Brown,2006