000			00418nam a2200145Ia 45e0
008			180110s1997 xx 000 0 und d
020			_a9780873719902
082			_a628.43
100			_aEtnier, Carl (ed.)
245		0	_aEcological Engineering for Wastewater Treatment
250			_a2nd ed
260			_aBoca Raton _bLewis Publishers _c1997
300			_a451p: ill.
942			_2ddc _cBK
999			_c513 _d513