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020 _a81-88458-77-5
040 _aCentral Library-NITS
041 _aEnglish
082 _a628.01
_bDHA
100 _aDhameja, S.K.
245 _aEnvironmental studies
_cby S. K. Dhameja
260 _aNew Delhi
_bS.K. Kataria and Sons
_c2009
300 _a386p.
365 _b175.00
_c
650 _aEcosystem
650 _aEnvironmental science
650 _aPollution control
942 _cBK
999 _c26997
_d26997