TY  - BOOK
AU  - Sugarman,Léonie
TI  - Life-span development: concepts, theories and interventions 
SN  - 0415051630
AV  - BF713 .S84 1986
PY  - 1990///
CY  - London
PB  - Routledge
KW  - Developmental psychology
N1  - Bibliography: p201-217. - Includes index
ER  -