000			00379nam a2200145Ia 4500
008			140122s9999 xx 000 0 und d
020			_a0824789199
082			_a614.7 Grady C.P
100			_aGrady C P Leslie
245			_aBiological wastewater treatment
260			_bMarcel Dekker, New York _c1980
700			_aDaigger Glen T
700			_aLim Henry C
942			_cBK _2ddc
999			_c7397 _d7397