| 000 | 00416 a2200145 4500 | ||
|---|---|---|---|
| 080 |
_a628.1/.5 _bS 727 W |
||
| 245 | 1 |
_aWater _bPollution and conservation _cby B.A. Southgate |
|
| 260 |
_aMiddlesex _bThunderbird Enterprises _c1971 |
||
| 650 | _aWater Pollution | ||
| 650 | _aWater Conservation | ||
| 100 | 1 | _aSouthgate, B.A. | |
| 300 | _a178 p. | ||
| 040 | _aIARI, New Delhi | ||
| 901 | _a111710 | ||
| 999 |
_c40395 _d40395 |
||