V. Ivanova, S. Gavrailov, and V. Pashkoulova, “Characterisаtion of exo-inulinase concentrates from newly isolated thermophilic Bacillus strains - Bacillus sp. SG113 and Bacillus sp. SG115”, J. BioSci. Biotechnol., vol. 6, no. 3, pp. 169–178, Mar. 2018.