@article{Tryjanowski:2009,
author
=
"P.Tryjanowski and L.Jerzak and J.Radkiewicz",
title
=
"Effect of Water level and Livestock on the Productivity and Numbers of Breeding White Storks",
journal
=
"Waterbirds",
volume
=
"Vol. 28",
number
=
"no 3",
pages
=
"378--382",
year
=
"2005",
}