Soares, J.D.R., Pasqual, M., Rodrigues, F.A., Villa, F. and Araujo, A.G. de 2011. <b>Silicon sources in the micropropagation of the <em>Cattleya</em> group orchid</b&gt; - doi: 10.4025/actasciagron.v33i3.6281. Acta Scientiarum. Agronomy. 33, 3 (Apr. 2011), 503-507. DOI:https://doi.org/10.4025/actasciagron.v33i3.6281.