000 00434nam a2200193Ia 4500
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020 _a81-89102-86-9
_c495
040 _aMAIN
041 _aEnglish
082 _a577
_bAGG
100 _aAggarwal,Vijay
245 _aEnvironmental studies
260 _bPrerna Prakashan
_c2010
300 _a208
500 _a198
500 _a29-Sep-2014
650 _aENVIRONMENT
942 _cGB
999 _c7843
_d7843