@article{Ważna:2020,
  author  = "A. Ważna and A. Kaźmierczak and J. Cichocki and J. Bojarski and G. Gabryś",
  title   = "Use of underpasses by animals on a fenced expressway in a suburban area in western Poland",
  journal = "Nature Conservation",
  volume  = "Vol. 39",
  pages   = "1--18",
  year    = "2020",
}