000 00346nam a2200121Ia 4500
008 210219s9999||||xx |||||||||||||| ||und||
082 _a628.445
_bM588W
100 _aMetcalf & Eddy.
245 0 _aWaste water engineering:Treatment & disposal.
_cMetcalf & Eddy.
260 _aNew Delhi.
_bTata McGraw Hill.
_c1996
300 _axvi; 1334p
999 _c2306
_d2306