000 00299nam a22001457a 4500
003 SGT
020 _a935078122-0
082 _a628
_bSHA
100 _aSHARMA, P.D.
245 _aECOLOGY AND ENVIRONMENT
250 _a13TH
260 _aDELHI
_bRASTOGI
_c2022
300 _a755
942 _2ddc
_cBK
_03
999 _c22658
_d22658