TY  - BOOK
AU  - Rohwer,William D.
AU  - Ammon,Paul R
AU  - Cramer,Phebe
TI  - Understanding intellectual development: three approaches to theory and practice 
SN  - 003089543X :
U1  - 136.72 
PY  - 1974///
CY  - Hinsdale
PB  - Dryden Press
KW  - Intellect
KW  - Child psychology
N1  - Includes index
ER  -