НЕКОС, А. Н., and О. В. МАЛЬЧУК. 1. “FEATURES OF OF HEAVY METALS CONCENTRATION INGRAPES AND ITS PRODUCTS”. Visnyk of V. N. Karazin Kharkiv National University. Series Еcоlogy, no. 1147 (1), 106-13. https://periodicals.karazin.ua/ecology/article/view/3928.