D. S. Senchina, Álvarez, I., Cronn, R. C., Liu, B., Rong, J., Noyes, R. D., Paterson, A. H., Wing, R. A., Wilkins, T. A., and Wendel, J. F.,
“Rate variation among nuclear genes and the age of polyploidy in Gossypium”,
Molecular biology and evolution, vol. 20, no. 4, pp. 633-643, 2003.