TY  - BOOK
AU  - Turner, Jeffrey S. and Helms, Donald B.
TI  - Lifespan development
SN  - 0030328586
U1  - 155.072 
PY  - 1991///
CY  - London
PB  - ; Harcourt Brace Jovanovich Collage Publishers
KW  - Psychology
ER  -