@article{Gabryś:2014,
  author  = "G. Gabryś and J. Nowaczyk and A. Ważna and A. Kościelska and K. Nowakowski and J. Cichocki",
  title   = "Expansion of the raccon Procyon lotor in Poland",
  journal = "Zeszyty Naukowe Uniwersytetu Szczecińskiego. Acta Biologica",
  volume  = "Nr 844(21)",
  pages   = "169--181",
  year    = "2014",
  note = "",
}