000 | 00408nam a2200181Ia 4500 | ||
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008 | 200130s9999||||xx |||||||||||||| ||und|| | ||
020 | _c40 | ||
040 | _aMAIN | ||
041 | _aEnglish | ||
082 |
_a581.5 _bVER |
||
100 | _aVerma,P S | ||
245 | 0 | _aPrinciples of Ecology | |
260 |
_c1989 _bS Chand & Company Ltd. _aNewDelhi |
||
300 |
_a591 _bPBB |
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650 | _aEcology | ||
700 | _aAgarwal,V K | ||
942 | _cBK | ||
999 |
_c25 _d25 |