P. A. F. R. de Melo, T. S. Jeromini, C. E. Affonso, E. U. Alves, and C. C. Martins, “Vigor tests in assessing the quality of signal grass seeds”, Semina: Ciênc. Agrár., vol. 38, no. 6, pp. 3491–3498, Nov. 2017.