| 000 | 00315nam a2200133Ia 4500 | ||
|---|---|---|---|
| 100 | _aKotpal,R.L. | ||
| 365 | _b30 | ||
| 942 | _cBK | ||
| 654 | _a | ||
| 245 |
_aConcepts of ecology _benvironmental and field biology |
||
| 260 |
_aNew Delhi _bVishal Publications _c1989 |
||
| 082 | _a574.5 | ||
| 300 |
_bHb _aiv,264,vi |
||
| 999 |
_c379212 _d379212 |
||
| 041 | _aeng | ||