TY  - BOOK
AU  - Contruvo Joseph A and others Ed.
TI  - Providing safe drinking water in small systems :  Te   
SN  - 156670393X
U1  - X 9(D85)OgF, N9 
PY  - 1999///
CY  - London
PB  - Lewis Publication United Kingdom       
KW  - Electrical
N1  - World Health Organization
ER  -