TY  - BOOK
AU  - Siegel,Jacob J.
AU  - Swanson,David A.
TI  - The Methods and materials of demography
SN  - 0126419559 :
PY  - 2007///
CY  - Bingley, U. K.
PB  - Emarald
KW  - Demography
KW  - Methodology
KW  - Research
KW  - History
ER  -