1. Fundamentals of Scaling and Psychophysics;Baird,1978
2. Ratings of perceived exertion in adolescents with neuromuscular disease;Bar-Or,1986
3. Perceived exertion as an indicator of somatic stress;Borg;Scandinavian Journal of Rehabilitation Medicine,1970
4. Psychophysical bases of perceived exertion;Borg;Medicine and Science in Sports and Exercise,1982
5. Peripheral contributions to the perception of effort;Cafarelli;Medicine and Science in Sports and Exercise,1982