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020 _a8171339050
040 _aMAIN
041 _aEnglish
082 _a574.5
_bSHA P7
100 _aSharma, P.D.
245 0 _aEcology and Environment
_cP.D. Sharma
250 _a10th rev.
260 _aMeerut
_bRastogi Pub.
_c2007
300 _axi, 600
500 _aIncludes Index
650 _aEcology
650 _aEcology - Environmental aspects
650 _aEnvironment
942 _cBK
999 _c5092
_d5092