TY  - BOOK
AU  - Keyfitz, Nathan,
AU  - Flieger, Wilhelm,
TI  - World population: an analysis of vital data
SN  - 226432343
AV  - HB881 .K48
U1  - 312 
PY  - 1968///]
CY  - Chicago
PB  - University of Chicago Press
KW  - Population
KW  - Statistics
N1  - Bibliography: p. [667]-671
ER  -