Gonzaga, José Valdênio, Francisco de Sousa Ramalho, and José Welington dos Santos. 1991. “Distribution of <i>Aphis gossypii< i> Within Cotton Plant in Solid Planting and Intercropping”. Pesquisa Agropecuaria Brasileira 26 (11/12):1839-44. https://doi.org/10.1590/S1678-3921.pab1991.v26.3532.