TY  - BOOK
AU  - Mussen,Paul Henry
TI  - The psychological development of the child
SN  - 0137323212
PY  - 1973///
CY  - Englewood Cliffs, N.J.
PB  - Prentice-Hall
KW  - Child psychology
KW  - Child development
N1  - Includes bibliographical references
ER  -