@article{Antczak:2010,
  author  = "M. Antczak and M. Hromada and P. Czechowski and J. Tabor and P. Zabłocki and J. Grzybek and P. Tryjanowski",
  title   = "A new material for old solutions - the case of plastic string used in Great Grey Shrike nests",
  journal = "Acta Ethologica",
  volume  = "Vol. 13",
  pages   = "87--91",
  year    = "2010",
}