Abreu, Juscélio Clemente de, et al. “Mixoploidy in Napiergrass X Pearl Millet Hybrids Treated With Antimitotic Agents”. Pesquisa Agropecuaria Brasileira, vol. 41, no. 11, Nov. 2006, pp. 1629-35, doi:10.1590/S1678-3921.pab2006.v41.7326.