Heavy metals and Zn isotope ratios in the snow of the Karabash copper smelting area (Southern Urals, Russia)Valery Udachin, Maria Streletskaya, Daria Kiseleva, Maria Zaitseva, Pavel Aminov, Nikolay Udachin and Ivan BlinovE3S Web Conf., 98 (2019) 12023DOI: https://doi.org/10.1051/e3sconf/20199812023