“THE COMPARATIVE INVESTIGATION OF VITALITY OF X-RADIATED С. guilliermondii НП-4 YEASTS”, Proc. YSU B: Chem. Biol. Sci., vol. 45, no. 3 (226), pp. 46–49, Nov. 2011, doi: 10.46991/PYSUB.2011.45.3.046.