TY  - GEN
AU  - Richtering J.
TI  - Modelling fertility and mortality rates in the framework of a demographic-economic model
T2  - (UNCTAD discussion papers; no.15)
PY  - 1985///
CY  - Geneva : 
PB  - United Nations Conference on Trade and Development
KW  - Demography
KW  - Fertility
ER  -