000 nam a22 7a 4500
999 _c329075
_d329075
003 Nust
005 20170424104832.0
008 170424b xxu||||| |||| 00| 0 eng d
020 _a8176488321
040 _c0
082 _a363.7394 AGA
100 _aAgarwal,S.K,
245 _aWater pollution
_cS.K.Agarwal
260 _aNew Delhi
_bA.P.H pub
_c2005
300 _a384p.
500 _aH.B
942 _2ddc
_cBK
_k363.7394 AGA