author  = "A. Sieciechowicz and S. Myszograj and J. Kostecki",
  title       = "The impact of varied fertilisation on the concentration of nickel and chrome in soil and organs of willow trees (Salix viminalis)",
  booktitle   = "International Congress on Soil Science in International Year of Soils 2015; ISBN: 9785446508075",
  address     = "Sochi, Rosja",
  publisher   = "[B. m.], Soil Science Society of Turkey",
  pages       = "389--392",
  year        = "2015",