@article{Or³owski:2012,
  author  = "G. Or³owski and P. Kamiński and Z. Kasprzykowski and Z. Zawada",
  title   = "Metal interactions within and between tissues of nestling rooks Corvus frugilegus",
  journal = "Biologia",
  volume  = "Vol. 67",
  number  = "no 6",
  pages   = "1211--1219",
  year    = "2012",
}