TY  - BOOK
AU  - Della-Piana, Gabriel M.
AU  - 
ED  - 
ED  - 
ED  - 
ED  - 
TI  - : an introduction
SN  - 2
PY  - 1968///46
CY  - New York
PB  - Holt, Rinehart and Winston
KW  - 
KW  - 2
KW  - 0
KW  - 6
KW  - 20
KW  - Ability testing
KW  - Reading
N1  - Bibliography: p. 138-149; 5
ER  -