TY JOUR TI Trace Element Composition of Snow Cover in Vicinity of Coal- Burning and Gas-Burning Boiler Houses as Used Fuel’s Environmental Performance Indicator KW boiler house KW coal KW natural gas KW solid phase of snow KW trace elements KW geochemistry. JO Safety in Technosphere AU Talovskaya, A.V. AU Yazikov, E.G. AU Filimonenko, E.A. AU Osipova, N.A. AU Shahova, T.S. PY 2017 IS 6 PB INFRA-M Academic Publishing LLC.