BERG, Åke; KVARNBÄCK, Olle. Density and reproductive success of Skylarks Alauda arvensis on organic farms—an experiment with unsown Skylark plots on autumn sown cereals. Ornis Svecica, Lund, Sweden, v. 21, n. 1, p. 3–10, 2011. DOI: 10.34080/os.v21.22613. Disponível em: https://journals.lub.lu.se/os/article/view/22613. Acesso em: 15 apr. 2024.