TY  - BOOK
AU  - Sigelman,Carol K.
AU  - Shaffer,David R.
TI  - Life-span human development
SN  - 0534195784
AV  - BF 713.S53 1994 
PY  - 1994///
CY  - California
PB  - Brooks/Cole publishing company
KW  - Developmental psychology
ER  -