000 nam a22 7a 4500
999 _c28344
_d28344
008 200121b xxu||||| |||| 00| 0 eng d
020 _a9788178848242
082 _a333.781
_bLAL
100 _aLal, Banwari
245 _aFundamentals of environmental biotechnology /
_cBanwari Lal
250 _a1st ed.
260 _aNew Delhi :
_bCyber Tech Publications,
_c2011.
300 _a286p.
650 _aBacterial metabolism
650 _aActivated sludge process
942 _2ddc
_cBK