| 000 | 00363nam a2200121Ia 4500 | ||
|---|---|---|---|
| 100 | _aMann, H. T & Williamson, D | ||
| 020 | _a0 903031 23 | ||
| 942 | _cBK | ||
| 245 |
_aWater sanitation and treatment _ba handbook of simple methods for rural areas in developing countries |
||
| 260 |
_aIntermediate Technology, U.K. _c1986 |
||
| 082 | _a628.7 Man/Wil | ||
| 300 | _a96 | ||
| 999 |
_c15539 _d15539 |
||