Picolo, M. R., C. C. Custódio, and N. B. Machado-Neto. “Inbreeding Depression in Crosses of <i>coerulea</i> Clones of Walker’s Cattleya (<i>Cattleya walkeriana</I> Gardner)”. African Journal of Biotechnology, vol. 15, no. 46, Dec. 2016, pp. 2613-9, doi:10.5897/ajb2016.15586.