Research of Concentrations of Ultrafine and Finely Dispersed Aerosols in the Atmosphere of a Southern Urals Mining RegionDmitry Radchenko, Luisa Gadzhieva and Vjacheslav GavrilenkoE3S Web Conf., 41 (2018) 01035DOI: https://doi.org/10.1051/e3sconf/20184101035