| 000 | 004270000a22001450004500 | ||
|---|---|---|---|
| 245 | _aDesign manual on small community water supplies | ||
| 110 | _aNational Water Supply & Drainage Board ; World Health Organz | ||
| 260 |
_aColombo _bNWS&DB & WHO _c1982 |
||
| 300 | _avarious paging : ill., charts | ||
| 080 |
_a628.1 _bN3 |
||
| 650 | _aWATER SUPPLY | ||
| 650 | _aWATER DISTRIBUTION SYSTEM | ||
| 041 | _aEN | ||
| 942 | _cBK | ||
| 999 |
_c36188 _d36188 |
||