Giongo, A., A. Beneduzi, K. Gano, L. K. Vargas, L. Utz, and L. M. P. Passaglia. “Characterization of Plant Growth-Promoting Bacteria Inhabiting Vriesea Gigantea Gaud. And Tillandsia Aeranthos (Loiseleur) L.B. Smith (Bromeliaceae)”. Biota Neotropica, vol. 13, no. 3, Sept. 2013, //www.biotaneotropica.org.br/BN/article/view/1248.