TY  - BOOK
AU  - Yussen,Steven R.
AU  - ill.
TI  - Child development
AV  - BF721.Y785 
PY  - 1978///
CY  - Dubuque
PB  - : W.M.C. Brown Company Publishers
KW  - Children psychology
KW  -  Children development
N1  - Includes bibliographies
ER  -