TY  - JOUR
A1  - Smallwood, S.
T1  - The effect of changes in the timing of childbearing on measuring fertility in England and Wales
Y1  - 2002
UR  - www.statistics.gov.uk/STATBASE/Product.asp?vlnk=6303
JF  - Population Trends
VL  - 109
SP  - 36
EP  - -45

ER  -