020 | $a92-826-1958-3 | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
041 | $aInglés | ||||||||||
080 | $a628.3.033 | ||||||||||
090 | $aCIDIMA | ||||||||||
245 10 | $aPower-saving process for waste-water treatment $b: demonstration project $cCommission of the European Communities | ||||||||||
260 | $aLuxembourg $bOffice for Official Publications of the European Communities $c1990 | ||||||||||
300 | $a27 p. $bil. $c30 | ||||||||||
440 | $aEnergy | ||||||||||
650 14 | $aAguas residuales urbanas | ||||||||||
650 14 | $aTratamiento del agua | ||||||||||
710 2 | $aComisión Europea | ||||||||||
800 1 | $aEnergy | ||||||||||
|