E. C. Freire, J. de A. N. Moreira, J. W. dos Santos, and F. P. de Andrade, “Taxonomic relationship between mocó cotton and Gossypium mustelinum in the Northeastern Brazil”, PAB, vol. 33, no. 10, pp. 1555–1561, Oct. 1998, doi: 10.1590/S1678-3921.pab1998.v33.4994.