TY  - BOOK
AU  - Johnson,Ronald Charles
AU  - Medinnus,Gene Roland
TI  - Child psychology: Behavior & development 
SN  - 047144619X
U1  - 155.4 
PY  - 1969///]
CY  - New York
PB  - Wiley
KW  - Child psychology
N1  - Includes bibliogr. references
ER  -