TY  - BOOK
AU  - Sants,John
AU  - Butcher,Harold John
TI  - Developmental psychology: selected readings 
T2  - Penguin modern psychology readings
SN  - 0140805540 :
AV  - BF721 .D44
U1  - 155 SAN B 
PY  - 1975///
CY  - Harmondsworth, Baltimore
PB  - Penguin
KW  - Child psychology
N1  - Includes indexes; Bibliography: p. 479-481
ER  -