000 00495nam a2200217 454500
001 050736
003 BD-ChCU
008 Eng
020 _a8171582796
040 _aDLC
_cDLC
_dBD-ChCU
082 0 0 _a628.5/T841w
100 1 _aTrivedi, P.R.
_bRaj, Gurdeep.
245 1 0 _aWater pollution
_bx
250 _a1
260 _aNew Delhi
_bAkash-deep Pub.
_c1997
300 _av, 304
504 _ax
650 0 _aWater - Pollution
_bWater - Pollution
700 1 _ax
942 _2ddc
_cBK
999 _c50736
_d50736