| 000 | 00377nam a22001337a 4500 | ||
|---|---|---|---|
| 003 | OSt | ||
| 008 | 090626t xxu||||| |||| 00| 0 eng d | ||
| 080 |
_a349.6 _bTRI'92 |
||
| 245 |
_aEnvironmental ecology _cedited by P. R. Trivedi _cGurdeep Raj |
||
| 260 |
_aNew Delhi _bAkashdeep Publishing House _c1992 |
||
| 300 | _a502p. | ||
| 653 | _aEnvironmental protection | ||
| 942 | _cBK | ||
| 999 |
_c122017 _d122017 |
||