Vogel, Huilquer Francisco, et al. “Comparative Analysis of Birdlife in Different Ecological Restoration Methods With Emphasis in the Role of Artificial Perches”. Revista De Biologia Neotropical Journal of Neotropical Biology, vol. 14, nº 2, março de 2018, p. 111-34, doi:10.5216/rbn.v14i2.47000.