@InProceedings{Wasylewicz:2011,
  author      = "R. Wasylewicz",
  title       = "Impact of the metal industry on the zinc content in soil",
  booktitle   = "Central European Conference ECOpole '11",
  address     = "Zakopane, Polska",
  publisher   = "[B. m.], [brak wydawcy]",
  pages       = "[br.]",
  year        = "2011",
  note        = "[sesja plakatowa]",
}