TY  - BOOK
AU  - Keyfitz,Nathan
TI  - Introduction to the mathematics of population
T2  - Addison-Wesley series in behavioral science: quantitative methods
SN  - 0201036843
U1  - 519.5 
PY  - 1968///
CY  - Reading, Mass.
PB  - Addison-Wesley Pub. Co.
KW  - Demography
KW  - Mathematical models
N1  - Bibliography: p. 413-431; Includes index
ER  -