TY  - BOOK
AU  - Shryock, Henry S.
AU  - Larmon, Elizabeth A.
AU  - Siege, Jacob S.
ED  - United States,
TI  - The methods and materials of demography
U1  - 301.320182 
PY  - 1980///
CY  - Washington
PB  - U.S. Bureau of the Census
KW  - Demografía
ER  -