TY  - BOOK
AU  - Sears Pauline S Ed.
TI  - Intellectual development
T2  - Readings in Educational Research
SN  - 0471769754
U1  - T:51, L1 
PY  - 1971///
CY  - New York
PB  - John Wiley U. S. A.     
KW  -  Education
KW  - Educational Measurement
ER  -