1. Aging Statistics;Administration on Aging,2013
2. Home Safety Guidelines for Architects and Builders;Alessi,1978
3. Provision of Slip Resistance on Walking/Working Surfaces;ANSI/ASSE A1264.2,2012
4. Specifications for Making Buildings and Facilities Accessible to and Usable by Physically Handicapped People;ANSI A117.1,1980
5. Using Variable Angle Tribometers (VAT) for Measurement of the Slip Resistance of Walkway Surfaces;ANSI/ASSE Technical Report TR A1264.3,2007