Fedorova, J. S., A. S. Sukhikh, and P. V. Kuznetsov. “Comparative Chromatography the Analysis of the Fractional Structure of Phytopreparations of Plants of a Sort of Kopeechnik”. Sorbtsionnye I Khromatograficheskie Protsessy, Vol. 11, no. 4, Nov. 2019, https://journals.vsu.ru/sorpchrom/article/view/1964.