[1]
A. C. Cóser, C. E. Martins, D. M. da Fonseca, L. T. Salgado, M. J. Alvim, and F. V. Teixeira, “Effect of different grazing periods in elephant grass pasture upon milk production”, PAB, vol. 34, no. 5, pp. 861–866, May 1999.