@article{Kostecki:2015,
  author  = "J. Kostecki and A. Greinert and M. Drab and R. Wasylewicz and M. Szafraniec and G. Stodulski and M. Wypych",
  title   = "The total content of nitrogen in leaves and wood of trees growing in the area affected by the Głogów Copper Smelter",
  journal = "Journal of Elementology",
  volume  = "Vol. 1",
  pages   = "137--148",
  year    = "2015",
}