TY  - BOOK
AU  - Mussen,Paul Henry
AU  - Langer,Jonas
AU  - Covington,Martin V.
TI  - Trends and issues in developmental psychology
SN  - 0030786150
U1  - 155.4 
PY  - 1969///]
CY  - New York
PB  - Holt, Rinehart and Winston
KW  - Child psychology
N1  - Includes bibliogr. references
ER  -