@article{kostecki_kostecki_drab_szafraniec_stodulski_wypych_greinert_wasylewicz_2014, 
  title={The total content of nitrogen in leaves and wood of trees growing in the area affected by the Głogów Copper Smelter}, 
  DOI={10.5601/jelem.2014.19.4.401}, 
  number={1/2015}, 
  publisher={Polish Society for Magnesium Research}, 
  author={Kostecki and Kostecki and Drab and Szafraniec and Stodulski and Wypych and Greinert and Wasylewicz}, 
  year={2014}, 
  month={Dec}
  }