01241nam--2200385---450-9900004208202033161-900222-22-90042082USA010042082(ALEPH)000042082USA01004208220010502d2000----km-y0itay0103----baengGB||||||||001yyProcess control of activated sludge plants by microscopic investigationby Dick H.EikelboomLondonIWA Publishing2000156 p.ill.30 cmCD-ROMIn custodiaAcque di rifiutoImpianti di trattamentoFango da acque di rifiuto628.354EIKELBOOM,Dick H.544736ITsalbcISBD990000420820203316628.354 EIK16065 TEC658.354 EIK00071722BKTECANGELA9020010502USA011028ANGELA9020010502USA011038JOHNNY9020010924USA01160720020403USA011650PATRY9020040406USA011629Process control of activated sludge plants by microscopic investigation873304UNISA