TY  - BOOK
AU  - Bijou,Sidney William
AU  - Baer,Donald Merle
TI  - Child development / 
U1  - 155.4 
PY  - 1961///-1965
CY  - New York : 
PB  - Appleton-Century-Crofts, 
KW  - Child development
N1  -  CONTENTS; v. 1. A systematic and empirical theory. - v. 2. Universal stage of infancy
ER  -