TY  - BOOK
AU  - Ford,Donald H.
AU  - Lerner,Richard M.
TI  - Developmental systems theory: an integrative approach 
SN  - 0803946619
AV  - BF713.5 .F67
PY  - 1992///
CY  - London
PB  - Sage
KW  - Developmental psychology
KW  - Systems theory
ER  -