TY  - BOOK
AU  -  Singhal ,Drradhey L..
AU  - Sood,DrO.P..
TI  - Water borne diseases : the continuing challenge / 
U1  - 333.9122 
PY  - 1997///
CY  - Gurgaon : 
PB  - Ranbaxy Science Foundation , 
KW  - WATER BORNE DISEASES
N1  - NULL
ER  -