author  = "M. Kasprzak and M. Bocheński and P. Kamiński and L. Jerzak",
  title       = "The impact of ad libitum feeding upon body mass and red blood cell parameters of Feral Pigeon Columba livia f. urbana",
  booktitle   = "Scientific Conference - URBAN FAUNA : studies of animal biolofy, ecology and conservation in European cities; ISBN: 9788375900828",
  address     = "Bydgoszcz, Polska",
  publisher   = "Bydgoszcz, University of Technology and Life Sciences",
  pages       = "45 [abstr.]",
  organization = "Departament of Zoology, Faculty of Animal Breeding and Biology University of Technology and Life Sciences in Bydgoszcz",
  year        = "2011",