TY  - BOOK
AU  - INTERNATIONAL ENVIRONMENTAL TECHNOLOGY CENTRE
ED  - INTERNATIONAL ENVIRONMENTAL TECHNOLOGY CENTRE
TI  - Sourcebook of alternative technologies for freshwa
T2  - "Its, Technical Publication Series; 8e. United Nations Environment Programme, Water Branch. Danish Hydraulic Institute"
U1  - "X9(D85)0gF.4.N9, N8/UN" 
PY  - 1998///
CY  - Daka
PB  - DHI       
KW  -  Water Supply
KW  - Industrial Economics
ER  -