TY  - BOOK
AU  - Spengler,Joseph John
AU  - Duncan,Otis Dudley
TI  - Demographic analysis: selected readings
AV  - HB881 .S66
U1  - 312.082 
PY  - 1956///]
CY  - Glencoe, Ill.
PB  - Free Press
KW  - Population
KW  - Collections
KW  - Local
N1  - Bibliography: p. 785-813. Bibliographical footnotes
ER  -