@article{Jerzak:2009,
author
=
"L.Jerzak and P.Zduniak and M.Bocheński and L.Kuczyński and T.Sromala",
title
=
"Are undomed nests built by young magpies Pica pica ?",
journal
=
"Alauda",
volume
=
"Vol. 73",
number
=
"no 3",
pages
=
"242 [abstr.]",
year
=
"2005",
}