000 00361 a2200145 4500
082 _a574.5
_bSHA ed.7
090 _c4269
_d4269
100 _aSharma, P.D.
245 _aEcology and environment
_cP.D. Sharma
250 _a7th ed
260 _aMeerut
_bRastogi Pub.
_c2002-03
300 _ax, 660 p.
_bill.
650 _aECOLOGY
942 _aGCL
_cBOOK
_k574.5 SHA ed.7
999 _c4146
_d4146