TUCAKOV, Marko. Seasonal changes in the number of the Grey Heron Ardea cinerea occurring on Kolut fishponds in northern Serbia. Ornis Svecica, Lund, Sweden, v. 15, n. 2, p. 113–118, 2005. DOI: 10.34080/os.v15.22743. Disponível em: https://journals.lub.lu.se/os/article/view/22743. Acesso em: 29 mar. 2024.