[1]
M. M. Macedo Nunes Costa, F. J. Alves Fernandes Távora, J. L. Nunes de Pinho, and F. I. Oliveira Melo, “Yield, yield components and growth and distribution of roots of cowpea under water stress”, PAB, vol. 32, no. 1, pp. 43–50, Jan. 1997.