TY  - BOOK
AU  - Sen P K Ed.
AU  -  Rao C R Ed.
TI  - Bioenvironmental and public health statistics
T2  - Handbook of statistics, 18
SN  - 0444829008
U1  - X;:(G:55), P0 
PY  - 2000///
CY  - Amsterdam
PB  - Elservier          
KW  - Economics
ER  -