000			005060000a22001930004500
245			_aEcological effects of wastewater : applied limnology and pollutant effects
100			_aWelch, E.B.
100			_aLindell, T.
250			_a2nd ed.
260			_aLondon _bE & FN Spon _c1992
300			_ax, 425p. : ill.
020			_a041234940X
080			_a628.19 _bW4
650			_aWATER POLLUTION
650			_aWASTE DISPOSAL
650			_aENVIRONMENTAL ENGINEERING
041			_aEN
942			_cBK _01
999			_c67772 _d67772