000 00486nam a2200217 454500
001 057281
003 BD-ChCU
008 Eng
020 _ax
040 _aDLC
_cDLC
_dBD-ChCU
082 0 0 _a577.27/D473e
100 1 _aDeswal, Surinder
_bDeswal, Anupama
245 1 0 _aEnergey, ecology and environment
_bx
250 _a1st
260 _aDelhi
_bDhanpat rai
_c2002
300 _aV.P
504 _ax
650 0 _aPollution
_bEnvironment
700 1 _ax
942 _2ddc
_cBK
999 _c57281
_d57281