S'Thiago, L. R. L. (2000) “Effect of phosphorus supplementation on the reproductive performance of beef cows grazing <i>Brachiaria humidicola</i>”;, Pesquisa Agropecuaria Brasileira, 35(2), pp. 449–456. doi: 10.1590/S1678-3921.pab2000.v35.5753.