TY  - JOUR
A1  - Freijka, T.
A1  - Sardon, J.-P.
T1  - First birth trends in developed countries: Persisting parenthood postponement
Y1  - 2006
DO  - 10.4054/DemRes.2006.15.6
JF  - Demographic Research
VL  - 15
IS  - 6

ER  -