TY  - BOOK
AU  - India, Registrar Gneral
ED  - India, Registrar Gneral
TI  - Sample registration system :  Life tables   
U1  - L:51.2s, N0/GD/TD1 
PY  - 1990///
CY  - Delhi
PB  - The Author India        
KW  - Vital Statistics
ER  -