@article{Kasprzak:2009,
author
=
"M.Kasprzak and T.Hetmański and E.Kulczykowska",
title
=
"Changes in hematological parameters in free-living pigeons (Columba livia f. urbana) during the breeding cycle",
journal
=
"Journal of Ornithology",
volume
=
"Vol. 147",
pages
=
"599--604",
year
=
"2006",
}