Almeida, Álvaro Manuel Rodrigues, et al. “Survival of Pathogens on Soybean Debris under No-Tillage and Conventional Tillage Systems”. Pesquisa Agropecuaria Brasileira, vol. 36, no. 10, Oct. 2001, pp. 1231-8, doi:10.1590/S1678-3921.pab2001.v36.6250.