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100   $a20020225d1987----km-y0ENGy0103----ba
101   $aeng
102   $aGB
200 1 $aSystems analysis in water quality management$eproceedings of a symposium held in London, U.K., 30 june - 2 july 1987$feditor M.B. Beck
210   $aOxford$cPergamon press$dc1987
215   $aX, 435 p.$cill.$d26 cm
225   $aAdvanced in water pollution control
410   $12001$aAdvanced in water pollution control
606   $aAcque$xInquinamento$xControllo$xCongressi$z1987
676   $a363.73946
702  1$aBECK,$bM.B.
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996   $aSystems analysis in water quality management$9975415
997   $aUNISA