TY  - BOOK
AU  - Keyfitz, Nathan
AU  - Flieger, Wilhelm 
TI  - Population: facts and methods of demography
SN  - 0-7167-0931-7
U1  - 304.6072 KEY-P 
PY  - 1971///
CY  - San Francisco
PB  - W.H. Freeman
KW  - Population - Statistics
KW  - Population policy
KW  - Population research
KW  - Demographic surveys
N1  - Includes index
ER  -