B. Dojnov, M. Grujić, and Z. Vujčić, “Highly efficient production of Aspergillus niger amylase cocktail by solid-state fermentation using triticale grains as a well-balanced substrate”, J. Serb. Chem. Soc., vol. 80, no. 11, pp. 1375–1390, Dec. 2015.