Tkachuk, N., Zelena, L., Lukash, O. and Mazur, P. 2021. Microbiological and genetic characteristics of Bacillus velezensis bacillibactinproducing strains and their effect on the sulfate-reducing bacteria biofilms on the poly(ethylene terephthalate) surface. Ecological Questions. 32, 2 (Apr. 2021), 119–129. DOI:https://doi.org/10.12775/EQ.2021.019.