| 000 | 00443nam a22001577a 4500 | ||
|---|---|---|---|
| 999 |
_c65525 _d65525 |
||
| 008 | 181205b ||||| |||| 00| 0 eng d | ||
| 020 | _a8122410979 | ||
| 082 |
_a628 _bELA |
||
| 100 | _a Elangovan, R | ||
| 245 | _a Unit operations in environmental engineering | ||
| 260 |
_aNew Delhi India _bNew age international (p) limited _c1997 |
||
| 300 | _a179p. | ||
| 600 | _aCivil Engineering | ||
| 650 | _aEnvironmental Engineeriing | ||
| 942 | _cBK | ||