TY  - BOOK
AU  - Kalbermatten, John M.
TI  - Appropriate technology for water supply and sanitation: a summary of technical and economic options 
SN  - SC971
U1  - 628.168091724 
PY  - 1980///
CY  - Washington, D.C.
PB  - Transportation, Water, and Telecommunications Dept., World Bank
KW  - Water-supply engineering
N1  - "December 1980."
ER  -