TY  - BOOK
AU  - Ausubel,David Paul
AU  - Sullivan,Edmund V.
TI  - Theory and problems of child development
SN  - 0808906410
AV  - BF721 .A8 1970
U1  - 155.4 AUS S 
PY  - 1970///]
CY  - New York
PB  - Grune & Stratton
KW  - Child psychology
N1  - Bibliography: p. 712-813
ER  -