author  = "J. Kostecki and R. Fruzińska and A. Greinert and M. Drab",
  title       = "Trees in areas contaminated with copper and lead as a factor of effective erosion protection",
  booktitle   = "The use of vegetation to improve slope stability : 3rd international conference on soil bio- and eco-engineering",
  address     = "Vancouver, Kanada",
  publisher   = "[B. m.], [brak wydawcy]",
  pages       = "[abstr.]",
  year        = "2012",
  note        = "[conference poster]",