TY  - RPRT
TI  - [A test for measuring activation in a specific direction].
AU  - S Ertel
AU  - I Theophile
PY  - 1966
DO  - 10.1007/bf00417400
UR  - https://pubmed.ncbi.nlm.nih.gov/5974333/
ID  - 5974333
ER  -