TY  - RPRT
TI  - Human motivation objectively, experimentally analysed.
AU  - R B Cattell
PY  - 1992
DO  - 10.1111/j.2044-8341.1992.tb01703.x
UR  - https://pubmed.ncbi.nlm.nih.gov/1390357/
ID  - 1390357
ER  -