TY JOUR TI DEPENDENCE OF NICKEL AND CADMIUM ACCUMULATION BY PLANTS ON THEIR CONCENTRATION KW JO Bulletin of Nizhnevartovsk State University AU Elizareva, E.N. AU Yanbaev, Y.A. AU Kulagin, A.Y. AU Usmanov, I.Y. PY 2017 IS PB Nizhnevartovsk State University