| 000 | 00400nam a22001457a 4500 | ||
|---|---|---|---|
| 008 | 240910b |||||||| |||| 00| 0 eng d | ||
| 020 | _a9241540370 | ||
| 040 |
_aNational Science Library _cNational Science Library |
||
| 080 |
_a628.354 _bL4 |
||
| 100 | _aHuisman, L | ||
| 245 | _aSlow sand filtration | ||
| 260 |
_aGeneva: _bWorld Health Organization, _c1974 |
||
| 300 | _a122p. | ||
| 942 |
_2udc _cBK |
||
| 999 |
_c66564 _d66564 |
||