1. Safety Signs and Colors;American National Standards Institute, Accredited Standards Committee,1987
2. Mandatory eye guards an issue: Major rule changes in store?;Arnolt;National Racquetball,1987
3. Consumer product warnings: Review and analysis of effectiveness research;DeJoy,1989
4. Layout, organization, and the effectiveness of consumer product warnings;Desaulniers,1987
5. Eye injuries in racquet sports: The need for standards on eye protectors. Keeping Our Future in Sight: National Society for the Prevention of Blindness;Easterbrook,1980