C. A. F. Santos, M. A. Rodrigues, and M. I. Zucchi, “Genetic variability of umbu trees in Brazilian Semi-Arid region, based on AFLP markers”, PAB, vol. 43, no. 8, pp. 1037–1043, Oct. 2008, doi: 10.1590/S1678-3921.pab2008.v43.234.