Bukaciński D, Bukacińska M, Buczyński A. Threats and the active protection of birds in a riverbed: postulates for the strategy of the preservation of the middle Vistula River avifauna. seb [Internet]. 2018 Dec. 31 [cited 2024 Nov. 23];16(4):5-23. Available from: https://czasopisma.uksw.edu.pl/index.php/seb/article/view/6633