TY  - BOOK
AU  - 
TI  - Human development
SN  - 0394321030
AV  - BF713 .V36 1978
U1  - 155 
PY  - 1978///
CY  - New York
PB  - Knopf : distributed by Random House
KW  - Developmental psychology
KW  - Local
N1  - Includes indexes; Bibliography: p. 612-648
ER  -