TY  - BOOK
AU  - Maier,Henry W.
TI  - Three theories of child development
T2  - Harper series in social work
SN  - 0060441763
AV  - BF721 .M196 1978
U1  - 155.41/092/2 
PY  - 1978///
CY  - New York
PB  - Harper & Row
KW  - Erikson, Erik H.
KW  - Piaget, Jean,
KW  - Sears, Robert R.
KW  - Child psychology
N1  - Includes bibliographies and index
ER  -