@book{Tryjanowski:2009,
author
=
"P.Tryjanowski and S.Kuźniak and K.Kujawa and L.Jerzak",
title
=
"Ekologia ptaków krajobrazu rolniczego, ISBN: 9788361320449",
publisher
=
"Bogucki Wydaw. Naukowe",
address
=
"Poznań",
year
=
"2009",
pages
=
"390",
}