| 000 | 00503nam a2200181Ia 4500 | ||
|---|---|---|---|
| 999 |
_c18187 _d18187 |
||
| 005 | 20201130105938.0 | ||
| 008 | 180712s9999 xx 000 0 und d | ||
| 020 | _a9558699071 | ||
| 041 | _aEN | ||
| 082 |
_a628.144 _bGRA _223 |
||
| 245 |
_aGravity water supply systems _bdesign and construction-manual 3 |
||
| 260 |
_aSri Lanka _bNORAD _c0 |
||
| 300 | _a106 p.+ maps. | ||
| 440 | _aTechnical manual series on rural water supply and sanitatio | ||
| 509 | _aNS | ||
| 650 | _aWater supply | ||
| 942 | _cR | ||