TY  - JOUR
A1  - Schmertmann, C.
T1  - A system of model fertility schedules with graphically intuitive parameters
Y1  - 2003
DO  - 10.4054/DemRes.2003.9.5
JF  - Demographic Research
VL  - 9
IS  - 5
SP  - 81
EP  - -110

ER  -