TY  - BOOK
AU  - Keyfitz,Nathan
AU  - Flieger,Wilhelm
TI  - World population: an analysis of vital data 
U1  - 304.6  23
PY  - 1968///
CY  - London
PB  - University of Chicago Press
KW  - Population
KW  - Statistics
N1  - Bibliography: p. [667]-671
ER  -