HJORT, C. Capri Bird Observatory—a brief historical overview. Ornis Svecica, Lund, Sweden, v. 16, n. 1–2, p. 13–19, 2006. DOI: 10.34080/os.v16.22725. Disponível em: https://journals.lub.lu.se/os/article/view/22725. Acesso em: 8 aug. 2022.