Trunova , Elena, et al. “SYNTHESIS AND SPECTRAL CHARACTERISTICS OF HETEROMETALLIC COMPLEXES OF Pr(III) WITH Zn(II), CO(II) BASED ON ETHYLENEDIAMINETETRAACETIC AND ETHYLENEDIAMINEDISUCCINIC ACIDS”. Ukrainian Chemistry Journal, vol. 87, no. 3, Apr. 2021, pp. 3-17, doi:10.33609/2708-129X.87.03.2021.3-17.