Ferreira Filho, Armando, et al. “Losses Caused to Wheat by Root Diseases and Rizophagus Insects, under Four Soil Sanitary Conditions”. Pesquisa Agropecuaria Brasileira, vol. 19, no. 10, Apr. 2014, pp. 1219-26, doi:10.1590/S1678-3921.pab1984.v19.16116.