K. Neumuller, H. Streekstra, H. Gruppen, and H. Schols, “Acetyl Xylan Esterase Axe1 (T. reesei, Carbohydrate Esterase Family 5) Supplemented to a (Hemi)cellulolytic Preparation Enhances Degradation of Recalcitrant Corn Silage Polysaccharides”, Chemical Engineering Transactions, vol. 37, pp. 277-282, Jun. 2014.