@article{Kamiński:2015,
  author  = "P. Kamiński and E. Grochowska and S. Mroczkowski and L. Jerzak and M. Kasprzak and B. Koim-Puchowska and A. Wo¼niak and O. Ciebiera and D. Markulak",
  title   = "Sex ratio of White Stork Ciconia ciconia in different environments of Poland",
  journal = "Environmental Science and Pollution Research",
  volume  = "Vol. 22",
  number  = "no. 17",
  pages   = "13194--13203",
  year    = "2015",
}