Đurđević, B.; Pavlović, I.; Pajić, M.; Samojlović, M.; Pelić, M.; Petrović, J.; Polaček, V. THE FIRST STUDY OF THE ENDOPARASITIC FAUNA OF MUTE SWANS (CYGNUS OLOR) IN THE NORTHERN PART OF SERBIA. AVM 2020, 13, 69-81.