TY  - RPRT
TI  - Perceived exertion and stimulus intensity modulation.
AU  - R J Robertson
AU  - R L Gillespie
AU  - E Hiatt
AU  - K D Rose
PY  - 1977
DO  - 10.2466/pms.1977.45.1.211
UR  - https://pubmed.ncbi.nlm.nih.gov/911381/
ID  - 911381
ER  -