TY  - GEN
AU  - Kalbermatten, J. M. ..[et al.]
TI  - Appropriate technology for water supply and sanitation : a planner's guide : vol. 2
PY  - 1980///
CY  - Washington
PB  - The World Bank
KW  - WATER SUPPLY-PLANNING
KW  - SANITARY ENGINEERING
ER  -