Ponomarenko, Olexandr, Anatolyi Samchuk, Kateryna Vovk, Igor Shvaika, and Ganna Grodzinskaya. 2019. “Germanium Determination in Environmental Object by the Method of Mass Spectrometry With Inductively Coupled Plasma ”. Ukrainian Chemistry Journal 85 (4), 110-13. https://doi.org/10.33609/0041-6045.85.4.2019.110-113.