TY  - BOOK
AU  - Kalbermatten,John M, Julius,Deanne S
AU  - Gunnereson,Charles G
TI  - APPROPRIATE TECHNOLOGY FOR WATER SUPPLY AND SANITATION
U1  - 628.1 
PY  - 1980///
CY  - 
PB  - International Bank For Reconstruction And Develt
KW  - Sanitation
ER  -