TY  - BOOK
AU  - x, x
AU  - x
TI  - Methods  for estimating fertility & mortality . . . : x 
SN  - x   
U1  - 312/MET  
PY  - 1975///
CY  - Chapel Hill 
PB  - Univ. of North Carolina 
KW  - Vital Statistics
KW  - Population
ER  -