D. Licursi, C. Antonetti, S. Fulignati, A. Corsini, N. Boschi, A. Raspolli Galletti, Smart Valorization of Waste Biomass: Exhausted Lemon Peels, Coffee Silverskins and Paper Wastes for the Production of Levulinic Acid, Chemical Engineering Transactions. 65 (2018) 637-642. doi:10.3303/CET1865107.