1. Americans with Disabilities Act (ADA) Accessibility Guidelines for Transportation Vehicles, Architectural and transportation Barriers Compliance Board (ATBCB), 36 CFR Part 1192 Federal Register, vol. 56, no. 173; 1991.
2. Braut M, Bureau USC, Americans With Disabilities: 2005. 2008, U.S. Deptartment of Commerce, Economics and Statistics Administration, U.S. Census Bureau.
3. ANSI/RESNA, WC19: Wheelchairs Used as Seats in Motor Vehicles, American National Standards Institute (ANSI)/Rehabilitation Engineering and Assistive Technology Society of North America (RESNA); 2000.
4. Wheelchair tiedown and occupant restraint system loading associated with an Adult Manual ANSI WC19 transit wheelchair with a seated 50th percentile ATD exposed to rear impact;Salipur,2007
5. Effect of wheelchair headrest use on pediatric head and neck injury risk outcomes during rear impact;Fuhrman;Accident Analysis and Prevention,2008