TY  - RPRT
TI  - Comfortable effort level: an experimental variable.
AU  - W S Brown
AU  - T Murry
AU  - D Hughes
PY  - 1976
DO  - 10.1121/1.381141
UR  - https://pubmed.ncbi.nlm.nih.gov/977833/
ID  - 977833
ER  -