@article{Tryjanowski:2011,
  author  = "P. Tryjanowski and T. Sparks and M. Bocheński and M. Dabert and M. Kasprzak and P. Kamiński and S. Mroczkowski and E. Wi¶niewska and L. Jerzak",
  title   = "Do males hatch first and dominate sex rations in White Stork Ciconia ciconia chicks?",
  journal = "Journal of Ornithology",
  volume  = "Vol. 152",
  number  = "no 2",
  pages   = "213--218",
  year    = "2011",
}