V. Fiegenbaum, D. S. B. dos Santos, V. D. C. Mello, B. G. dos S. Filho, M. Ângela A. Tillmann, and J. B. da Silva, “Physiological quality evaluation of bean seeds submitted to hydric deficit during flowering”, PAB, vol. 26, no. 11/12, pp. 1885–1892, Oct. 1991.