TY  - RPRT
TI  - Alpha biofeedback: fact or artifact?
AU  - W Leib
AU  - W W Tryon
AU  - C S Stroebel
PY  - 1976
DO  - 10.1111/j.1469-8986.1976.tb00878.x
UR  - https://pubmed.ncbi.nlm.nih.gov/996221/
ID  - 996221
ER  -