M. B. Fernandes, J. R. de Castro, V. L. B. Fernandes, B. F. de Aquino, J. S. Alves, and F. C. de Góis, “Evaluation of forage sorghum cultivars in salt affected soils of Rio Grande do Norte, Brazil”, PAB, vol. 29, no. 2, pp. 255–262, Feb. 1994, doi: 10.1590/S1678-3921.pab1994.v29.4050.