TY  - RPRT
TI  - Lightfoot, levers, and psychophysiology.
AU  - C M Davis
PY  - 1971
DO  - 10.1111/j.1469-8986.1971.tb00503.x
UR  - https://pubmed.ncbi.nlm.nih.gov/5116832/
ID  - 5116832
ER  -