| 000 | 003600000a22001210004500 | ||
|---|---|---|---|
| 008 | 140223b1980 xxu||||| |||| 00| 0 eng d | ||
| 041 | _aEnglish | ||
| 100 | _a:KALBERMATTEN(JOHN M)&OTHERS | ||
| 245 | _aAPPROPRIATE TECHNOLOGY FOR WATER SUPPLY AND SANITATION:TECHNICAL AND ECONOMIC OPTIONS | ||
| 260 |
_aWASHINTON DC _bWB _c1980 |
||
| 650 |
_a _a |
||
| 906 | _a:WB | ||
| 999 |
_c142839 _d142839 |
||