L. Pereira, M. Dias, T. Junqueira, M. Chagas, O. Cavalett, R. Maciel Filho, A. Bonomi, Production of Butanol and Other High Valued Chemicals Using Ethanol as Feedstock Integrated to a First and Second Generation Sugarcane Distillery, Chemical Engineering Transactions. 37 (2014) 805-810. doi:10.3303/CET1437135.