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020 _a81 7371 540 8
020 _aSL0859506
024 _a183570
037 _cTextual
040 _aCSL
_beng
_cCSL
041 _aeng
082 _aG:55, P5;1
100 _aBharucha E
245 0 _aTextbook of environmental studies
260 _aHyderbad
_bUniversities press
_c2005
300 _axv,276p.
500 _aReferences 269p.; Appendix 270-271p.; 'Index 275-274p.
650 _a Ecosystems
650 _a Environmental pollution
650 _aNatural resources
700 _a Sen S N
700 _aBharucha E
942 _hG:55, P5;1
_cTEXL
_2CC
999 _c8462
_d8462