000 00542nam a2200205Ia 4500
008 180116s1971 xxu||||| |||| 00| 0 eng d
020 _a0471769754
082 _a153
_bSEA
100 _a Sears Pauline S.
245 _aIntellectual development
_b
250 _a
260 _aNew York
_bJohn Wiley and sons
_c1971
300 _a579 p.
_b24 cm.
440 _aReadings in educational research
_v
500 _a
520 _a Intelligence, Human Development
650 _aHuman Development
650 _aIntelligence
906 _a7272
_b
_c
999 _c21325
_d21325