| 000 | 003320000a22001210004500 | ||
|---|---|---|---|
| 999 |
_c119130 _d119130 |
||
| 041 | _aeng | ||
| 080 |
_a628.1(548.7) _bS4 |
||
| 942 | _cBK | ||
| 100 | _aSchleberger, Eckard | ||
| 245 | _aDrinking water supply : and sanitation project in Sri Lanka | ||
| 260 |
_aEscborn _c1986 |
||
| 505 | _aWater supply and sanitation facilities | ||