TY  - BOOK
AU  - Guion,Robert M., x
AU  - x
TI  - Personnel testing: x
SN  - x
U1  - 658.311/GUP 
PY  - 1965///
CY  - N.Y.
PB  - McGraw-Hill
KW  - Labor, and Labouring Classes
N1  - x
ER  -