000 00316nam a22001457a 4500
999 _c253246
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020 _a9788173197406
082 _a577
_bSUB/EC
100 _aSubrahmanyam,N.S
245 _aEcology
250 _a2
260 _aNew Delhi
_bNasora
_c2006
546 _aEnglish
700 _aSambamurthy,A.V.S.S.
942 _2ddc
_cBK