TY  - BOOK
AU  - Ford, Thomas R., 
AU  - De Jong, Gordon F.
TI  - Social demography.
T2  - Prentice-Hall sociology series 
U1  - 301.3/2/08  
PY  - 1970///]
CY  - Englewood Cliffs, N.J.
PB  - Prentice-Hall
KW  - Demography.
KW  - Sociology.
N1  - Includes bibliographical references.
ER  -