@article{Orłowski:2009,
author
=
"G.Orłowski and R.Polechoński and W.Dobicki and Z.Zawada",
title
=
"Heavy metal concentrations in the tissues of the black-headed gull Larus ridibundus L. nesting in the dam reservoir in south-western Poland",
journal
=
"Polish Journal of Ecology",
volume
=
"Vol. 55",
number
=
"no 4",
pages
=
"783--793",
year
=
"2007",
}