Prizão, E.C., Gonçalves, L. de M., Gutierre, M.A., Mangolin, C.A. e Machado, M. de F.P. da S. 2011. <b>Activated charcoal and graphite for the micropropagation of <i>Cattleya bicolor</i> Lindl. and a orchid double-hybrid ‘BLC Pastoral Innocence’</b&gt; - doi: 10.4025/actasciagron.v34i2.12257. Acta Scientiarum. Agronomy. 34, 2 (out. 2011), 157-161. DOI:https://doi.org/10.4025/actasciagron.v34i2.12257.