Nina A. Bisko (on the 70th anniversary of her birth and 50th anniversary of scientific activities) - V. P. Heliuta; M. P. Prydiuk; O. B. Mykhailova; H. A. Al¬Maali; T. V. Andrianova; V. P. Haiova; M. L. Lomberh; Yu. Mytropolska; Yu. Ya. Tykhonenko; M. O. Zykova (Ukrainian Botanical Journal, 2019)