Campos, Antonio Constantino de, and Luiz Gouvêa Labouriau. “Silica Bodies of Grasses from the ‘cerrado’. II”. Pesquisa Agropecuaria Brasileira, vol. 4, no. 1, Apr. 2014, pp. 143-51, doi:10.1590/S1678-3921.pab1969.v4.17822.