TY  - BOOK
AU  - Vernon, Philip Ewart.
TI  - The structure of human abilities
U1  - 151.2652 
PY  - 1950///]
CY  - London, New York
PB  - Methuen, Wiley
KW  - Factor analysis
KW  - Ability
N1  - Includes bliographical references ( p. [136]-151.)
ER  -