BENGTSSON, Kenneth; PEDERSEN, Kjeld T. The occurrence of eastern Common Gulls Larus canus heinei in the region of Öresund. Ornis Svecica, Lund, Sweden, v. 8, n. 4, p. 145–156, 1998. DOI: 10.34080/os.v8.22939. Disponível em: https://journals.lub.lu.se/os/article/view/22939. Acesso em: 22 nov. 2024.