1. American Society for Testing and Materials F-1677–96, 1998. Standard Method of Test for Using a Portable Inclineable Articulated Strut Slip Tester (PIAST), Annual Book of ASTM Standards, Vol. 15.07. American Society for Testing and Materials, Philadelphia, pp. 1324–1326.
2. American Society for Testing and Materials F-1679–96, 1998. Standard Method of Test for Using a Variable Incidence Tribometer (VIT), Annual Book of ASTM Standards, Vol. 15.07. American Society for Testing and Materials, Philadelphia, pp. 1330–1331.
3. The effect of surface roughness on the measurements of slip resistance;Chang;Int. J. Ind. Ergon.,1999
4. Chang, W.R., 2001. The effects of slip criterion and time on friction measurements. Safety Science, in press.
5. Repeatability and reproducibility in walkway-safety tribometry;Fendley;J. Test. Eval.,1999