@article{Jerzak:2009,
author
=
"L.Jerzak",
title
=
"Breeding ecology of a urban Magpie Pica pica population in Zielona Góra (SW Poland)",
journal
=
"Acta Ornithologica",
volume
=
"Vol. 29",
number
=
"no 3",
pages
=
"123--133",
year
=
"1995",
}