TY  - RPRT
TI  - Systematic changes in work association norms: 1910-1952.
AU  - J J JENKINS
AU  - W A RUSSELL
PY  - 1960
DO  - 10.1037/h0042234
UR  - https://pubmed.ncbi.nlm.nih.gov/14407067/
ID  - 14407067
ER  -