@article{Iszkuło:2004,
  author  = "G. Iszkuło and A. Jasińska",
  title   = "Variation in sex expression in Polish and Ukrainian populations of Taxus baccata L.",
  journal = "Dendrobiology",
  volume  = "Vol. 52",
  pages   = "29--32",
  year    = "2004",
}