000 00313nam a2200109 4500
082 _a363.7284WAT
100 _aWater & Environment Federation
245 _aBiological Nutrient Removal (BNR) Operation in Waster water Treatment Plants
260 _aNew York:
_bMcGraw-Hill,
_c2006.
300 _a597p. ;
942 _cBK
999 _c11557
_d11557