References
Axelson PW, Chesney D (April 1999): “Accessible Exterior Surfaces Technical Report,” USATBCB, Washington, DC.
This report is available through:
Access Board (USATBCB)
1331 F Street, NW, Suite 1000
Washington, DC
800.872.2253 ph, 202.272.5447 fax
and
Beneficial Designs, Inc.
5858 Empire Grade
Santa Cruz, CA
831.429.8447 ph, 831.423.8450 fax
American Society for Testing and Materials (ASTM) (1999). “ASTM F1951 Standard specification for determination of accessibility of surface systems under and around playground equipment.” West Conshohocken:ASTM.
American Society for Testing and Materials (ASTM) (1997). “ASTM PS 83 – 97 Provisional standard specification for determination of accessibility of surface systems under and around playground equipment” in 1997 Annual Book of ASTM Standards, Section 15 General Products, Chemical Specialties, and End Use Products, Volume 15.07 End Use Products. West Conshohocken:ASTM (pp. 1457‒1462).
Borg GAV, Noble BJ (1974). Perceived exertion. Exercise and Sport Science Review, 2:131‒153.
U.S. Architectural and Transportation Barriers Compliance Board (Access Board) (1991). 36 CFR part 1191: Americans with Disabilities Act (ADA): Accessibility guidelines for buildings and facilities: State and local government facilities. (July 26, 1991). Washington, DC.
U.S. Architectural and Transportation Barriers Compliance Board (Access Board) (1994): “Bulletin #4: Surfaces.” USATBCB, Washington, DC, pp. 1‒8.
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