I. Colussi, A. Cortesi, V. Gallo, A. Rubesa Fernandez, R. Vitanza, Biovalorization of Red Radicchio (Treviso Variety) By- products by a Two-stage Anaerobic Digestion, Chemical Engineering Transactions. 37 (2014) 265-270. doi:10.3303/CET1437045.