| 000 | 00557 a2200169 4500 | ||
|---|---|---|---|
| 020 | _a8176491535 | ||
| 041 | _aeng | ||
| 082 | _a628.16 | ||
| 100 | 1 |
_aGray, N. F. _951253 |
|
| 245 | 1 | 0 |
_aWater technology : _ban introduction for scientists and engineers/ _c N. F. Gray |
| 260 |
_aNew Delhi : _bViva Books Private Limited, _c1999. |
||
| 300 |
_axi, 548p.; _c22 cm. |
||
| 650 | 1 | 7 |
_a1.Freshwater biology _951254 |
| 650 | 1 | 7 |
_a2.Sewage disposal _951255 |
| 650 | 1 | 7 |
_a3.Water quality biological assessment _951256 |
| 650 | 1 | 7 |
_a4.Water quality management _951257 |
| 999 |
_c250445 _d250381 |
||