TY  - GEN
AU  - Pittenger,D B
TI  - Some models of age-specific fertility rates
SN  - 0308-518X
PY  - 1981///0505
KW  - Birth Rate
KW  - Demography
KW  - Fertility
KW  - Marriage
KW  - Maternal Age
KW  - Models, Theoretical
KW  - Population
KW  - Population Dynamics
KW  - Research
KW  - Statistics as Topic
N1  - Publication Type: Journal Article
UR  - https://doi.org/10.1068/a121145
ER  -