@misc{Profus_Piotr_The_1991, author={Profus, Piotr}, volume={Nr 37}, copyright={Creative Commons Attribution BY 3.0 PL license}, address={Kraków}, journal={Studia Naturae}, howpublished={online}, year={1991}, publisher={Research Centre for the Protection of Nature and Natural Resources of the Polish Academy of Sciences}, language={eng}, type={Text}, title={The breeding biology of White Stork Ciconia ciconia (L.) in the selected area of Southern Poland}, title={Biologia rozrodu bociana białego, Ciconia ciconia (L.) na wybranym obszarze południowej Polski}, URL={http://rcin.org.pl/Content/81122/PDF/KR038_92837_r1991-t37A-2_SN-Profus-11-57.pdf}, keywords={White Stork - Poland, Upper Silesia (Poland), Opole, Silesia (Poland), Ciconia ciconia}, }