O. Gudzenko, N. Borzova, L. Varbanets, I. Seifullina, Martsinko О., and Chebanenko О., “Germanium (IV) Complexes with Gluconic Acid as Effectors of Penicillium tardum and Eupenicillium erubescens α-L-Rhamnosidases”, Mikrobiol. Z., vol. 85, no. 4, pp. 58–65, Aug. 2023.