TY  - BOOK
AU  - Bronfenbrenner,Urie
TI  - The ecology of human development: experiments by nature and design 
SN  - 0674224574
AV  - BF722 B766E 1979
PY  - 1979///
CY  - Cambridge, Mass.
PB  - Harvard University Press
KW  - Child psychology
KW  - Research
KW  - Human development
N1  - Includes bibliographical references and index
ER  -