| 000 | 00504nam a2200217 454500 | ||
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| 003 | BD-ChCU | ||
| 008 | Eng | ||
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_aVerma, P.S. _bAgarwal, V.K. |
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_aEnvironmental biology _b(Principles of ecology) |
| 250 | _a1 | ||
| 260 |
_aNew Delhi _bS. Chand _c2000 |
||
| 300 | _aviii, 591 | ||
| 504 | _aIncludes | ||
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_aBiology _bEcology |
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_c62860 _d62860 |
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