000 00557nam a22002177a 4500
003 PHGCL
005 20210108110822.0
008 210106t2005 ii ||||| |||| 00| 0 eng d
020 _a817381404X
_cRs.535.00
040 _aPHGCL
_beng
082 _a363.7
_bSAN E
100 1 _aSantra, S.C.
245 1 0 _aEnvironmental science
_cS.C. Santra
250 _a2nd rev. ed
260 _aKolkata
_bNew Central Book Agency
_c2005
300 _a1244 p.
500 _aIncludes index
650 _aEnvironment science
650 _aEnvironmental studies
942 _2ddc
_cBK
999 _c9
_d9