HOROZIĆ, E. et al. Synthesis, characterization and in vitro antimicrobial activity of the Cu(II) and Fe(III) complexes with 1-cyclopropyl-6-fluoro-4-oxo-7-(piperazin-1-yl)-1,4-dihydroquinoline-3-carboxylic acid. Bulletin of Chemists and Technologists of Bosnia and Herzegovina, v. 51, p. 1–6, 1 Dec.2018.