title: Erratum to: Innovative two-stage mesophilic/thermophilic anaerobic degradation of sonicated sludge: performances and energy balance.
authors.affiliation: Water Research Institute, IRSA-CNR, Area della Ricerca RM1, Via Salaria km 29.300, 00015, Monterotondo, Rome, Italy, gianico@irsa.cnr.it.
authors.forename: A
authors.initials: A
authors.lastname: Gianico
authors.forename: C M
authors.initials: CM
authors.lastname: Braguglia
authors.forename: A
authors.initials: A
authors.lastname: Gallipoli
authors.forename: G
authors.initials: G
authors.lastname: Mininni