TY  - BOOK
AU  - Keyfitz,Nathan,1913-
AU  - Flieger,Wilhelm
TI  - Population: facts and methods of demography
SN  - 0716709317
PY  - 1971///
CY  - San Francisco
PB  - W. H. Freeman
KW  - Demography
KW  - Mathematical models
KW  - Population
KW  - Statistics
N1  - Bibliography: p. 607-609
ER  -