@article{Greinert:2009,
  author  = "A. Greinert and M. Drab and S. Węclewski",
  title   = "Phytotoxic effects of sewage sludges on decorative plants",
  journal = "Polish Journal of Environmental Studies : Series of Monographs",
  volume  = "Vol. 6",
  pages   = "41--48",
  year    = "2009",
}