1. R.M. Arthur, “Comparison of Racing Fatalities on Dirt, Synthetic, and Turf at Four California Racetracks”, Proc. of the Annual Conv. of the AAEP, Baltimore, MD (2010).
2. Blood-Horse Staff, “Equine Fatal Injury Rate is Steady in 2012”, Horse Racing News [Online] March 2013. Available: http://www.Bloodhorse.com/(accessed June 6, 2013).
3. Bridge, J.W., Peterson, M.L., McIlwraith, C.W., “The Effect of Temperature on the Tangent Modulus of Granular Composite Sport Surfaces”, Society of Experimental Mechanics Journal (Experimental Techniques), 7, (3), May/June 2013.
4. ASTM Standard D3235: Standard Test Method for Solvent Extractables in Petroleum Waxes, Annual Book of ASTM Standards, ASTM. International, West Conshohocken, PA, 2002.