@article{Rz±sa:2005,
  author  = "A. Rz±sa and W. Poznański and N. Pospieszny and Z. Zawada",
  title   = "New aspects of the anatomical structure of the sow's udder",
  journal = "Electronic Journal of Polish Agricultural Universities [online] : Veterinary Medicine",
  volume  = "Vol. 8",
  number  = "no 3",
  pages   = "[12]",
  year    = "2005",
  note    = "http://wydawnictwo.ar.wroc.pl/, [dostęp: 29-03-2008]",
}