000 005770000a22002050004500
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020 _c200.00
_a 81-219-0859-0
040 _aBGCL
_bEnglish
041 _aeng
082 _a363.574
_bV 21.4
100 _aVerma, P. S.
245 _aEnvironmental Biology : Principles of ecology
_cby P. S. Verma and V. K. Agarwal
260 _aNew Delhi
_bS. Chand & co.
_c2013.
300 _a591p.
_b21cm.
650 _aENVIRONMENTAL SCIENCE
_xBIOLOGY
700 _aAgarwal, V.K.
942 _cBOOK
999 _c22040
_d22040