TY  - BOOK
AU  - Hurlock, Elizabeth B.
TI  - Child development
U1  - 155.4 
PY  - 1956///
CY  - New York
PB  - McGraw-Hill
KW  - Child psychology
KW  - Child development.
N1  - Bibliography : p. 577-661.; Includes bibliographical references and index
ER  -