TY  - BOOK
AU  - Rives Norfleet W
AU  -  Serow William J
TI  - Introduction to applied demography :  Data sources   
T2  - Quantitative applications in the social science. 39
U1  - B280bE, M4 
PY  - 1984///
CY  - Beverly
PB  - Hills Sage         
KW  - Statistics
ER  -