| 000 | 00340nam a2200145Ia 4500 | ||
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| 100 | _aKumar,Arvind | ||
| 020 | _a81-7648-406-7 | ||
| 365 | _b1795 | ||
| 942 | _cBK | ||
| 654 | _a | ||
| 245 | _aEnvironmental challenges of the 21st century | ||
| 260 |
_aNew Delhi _bAPH Publishing Corporation _c2003 |
||
| 082 | _a574.5 | ||
| 300 |
_bHb _a673 |
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| 999 |
_c398381 _d398381 |
||
| 041 | _aeng | ||