A. Paniagua, R. Diez-Antolinez, M. Hijosa-Valsero, M. Sanchez, M. Coca, Response Surface Optimization of Dilute Sulfuric Acid Pretreatment of Switchgrass (Panicum virgatum L.) for Fermentable Sugars Production, Chemical Engineering Transactions. 49 (2016) 223-228. doi:10.3303/CET1649038.