@article{Czechowski:2010,
author
=
"P.Czechowski",
title
=
"Ekologia rozrodu dymówki Hirundo rustica w Polsce - analiza kart gniazdowych",
journal
=
"Ornis Polonica",
volume
=
"Vol. 51",
number
=
"z. 3",
pages
=
"171--181",
year
=
"2010",
}