TY  - BOOK
AU  - Lefrancois,Guy R e.
TI  - Of children: an introduction to child development 
SN  - 0534002862
PY  - 1973///
CY  - Belmont, Ca.
PB  - Wadsworth Publishing Co.
KW  - Child development
N1  - Bibliography : p. 375-392
ER  -