000 00279nam a22001337a 4500
999 _c12419
_d12419
003 OSt
020 _a8170353866
082 _a577.627 A79E
100 _aArvind Kumar
245 _aEcobiology of polluted waters
260 _aDelhi
_bDaya
_c2006
300 _a282
942 _2ddc
_cC