Anderson, F. D.; Fleming, P.; Sherratt, P.; Severn, K. (1 January 2016). "Design and Development of a Novel Natural Turf Shear Stability Tester" (en). Procedia Engineering147: 842–847. doi:10.1016/j.proeng.2016.06.293. ISSN1877-7058.
Anderson, F. D.; Fleming, P.; Sherratt, P.; Severn, K. (1 January 2016). "Design and Development of a Novel Natural Turf Shear Stability Tester" (en). Procedia Engineering147: 842–847. doi:10.1016/j.proeng.2016.06.293. ISSN1877-7058.