TY  - BOOK
AU  - International Environmental Technology Center
ED  - International Environmental Technology Center
TI  - Sourcebook of alternative technologies for freshwa
T2  - Its Technical Publication Series, 8c
U1  - X 9(D85)OgF.791.N9, N8 
PY  - 1998///
CY  - New York
PB  - United Nations USA       
KW  - Electrical
N1  - Unit of sustainable Development and environment , water Branch.; United Nations environment Programme
ER  -