TY  - BOOK
AU  - Kalbermatten,John M.
AU  - Julias,De Anne
AU  - Gunnerson,Charles G
TI  - Technical and economic options
AV  - IRA TD353.K3 
PY  - 1980///
CY  - Washington Dc
PB  - The World Bank
KW  - Water supply
KW  - Developing countries
KW  - Sewage disposal
N1  - Includes bibliographies
ER  -