TY  - BOOK
AU  - De Jong, Gordon F.
AU  - Ford, Thomas R.
TI  - SOCIAL demography
SN  - 0138155550
PY  - 1970///]
CY  - Englewood Cliffs, N.J.
PB  - Prentice-Hall
KW  - Demography
KW  - GEN
KW  - Sociology
N1  - Includes bibliographical references
ER  -