TY  - GEN
AU  - Smith,David P
AU  - Keyfitz,Nathan
TI  - Mathematical demography: selected papers
T2  - Biomathematics
SN  - 0387078991 (New York)
PY  - 1977///
CY  - Berlin, New York
PB  - Springer-Verlag
KW  - Demography
KW  - Mathematical models
N1  - Contine bibliogr. si index
ER  -