TY  - BOOK
AU  - Ausubel,David Paul
TI  - Theory and problems of adolescent development
AV  - BF724 .A8
U1  - 136.7354 
PY  - 1954///
CY  - New York
PB  - Grune & Stratton
KW  - Adolescence
N1  - Includes bibliographies
ER  -