TY  - BOOK
AU  - Maier,Henry W.
TI  - Three theories of child development: the contributions of Erik H. Erikson, Jean Piaget, and Robert R. Sears, and their applications 
U1  - 136.701 
PY  - 1969///
CY  - New York
PB  - Harper & Row
KW  - Erikson, Erik H.
KW  - Piaget, Jean,
KW  - Sears, Robert R.
KW  - Child psychology
N1  - Includes bibliographical references and index
ER  -