TY  - GEN
AU  - Mussen, Paul [Ed.]
AU  - Langer, Jonas [Ed.]
AU  - Covington, Martin [Ed.]
TI  - Trends and issues in developmental psychology
U1  - 155 
PY  - 1969///
CY  - New York
PB  - Holt Rinehart And Winston
KW  - Child Psychology
ER  -