TY  - BOOK
AU  - Johnson,Ronald C.
AU  - Medinnus,Gene Roland
TI  - Child psychology; behavior and development
SN  - 0471446246
AV  - BF721 .J53 1974
U1  - 155.4 
PY  - 1974///]
CY  - New York
PB  - Wiley
KW  - Child psychology
N1  - Includes bibliographies
ER  -