“RIVANOL AS A NEW REAGENT FOR EXTRACTION-ABSORBTIOMETRIC DETERMINATION OF PALLADIUM (II) MICROGRAM AMOUNTS”. Proceedings of the YSU B: Chemical and Biological Sciences, vol. 35, no. 1 (194), Mar. 2001, pp. 69-73, https://doi.org/10.46991/PYSUB.2001.35.1.069.