@article{Orłowski:2011,
author
=
"G.Orłowski and J.Karg",
title
=
"Diet of nestling Barn Swallows Hirundo rustica in rural areas of Poland",
journal
=
"Central European Journal of Biology",
volume
=
"Vol. 6",
number
=
"no 6",
pages
=
"1023--1035",
year
=
"2011",
}