author  = "J. Kostecki and A. Greinert and R. Wasylewicz and R. Adam and B. Garbera and P. Knap and M. Ostapkowicz and B. Stanisławiak",
  title   = "Spatial distribution of heavy metals in the topsoil on roundabouts in Zielona Góra, Poland",
  journal = "Ochrona Środowiska i Zasobów Naturalnych = Enviromental Protection and Natural Resources",
  volume  = "Vol. 26",
  number  = "no. 2",
  pages   = "1--8",
  year    = "2015",