F. Theuretzbacher, P. Kravanja, M. Becker, A. Bauer, B. Amon, A. Friedl, A. Potthast, T. Amon, Utilization of Sweet Sorghum as a Catch Crop for providing Raw Materials for the Production of Bioethanol and Biogas, Chemical Engineering Transactions. 29 (2012) 1135-1140. doi:10.3303/CET1229190.