title: Erratum to: Sequential anaerobic/aerobic digestion for enhanced sludge stabilization: comparison of the process performance for mixed and waste sludge.
authors.affiliation: Water Research Institute, C.N.R., Via Salaria km 29.300,C.P. 10-00015 Monterotondo Stazione, Rome, Italy, tomei@irsa.cnr.it.
authors.forename: M Concetta
authors.initials: MC
authors.lastname: Tomei
authors.forename: Nicola Antonello
authors.initials: NA
authors.lastname: Carozza