Osório, Eduardo Allgayer, et al. “Wheat Cultivars Adaptation in Rio Grande Do Sul. II. Adequacy of Early Cultivars to the July Sowing”. Pesquisa Agropecuaria Brasileira, vol. 9, no. 10, Apr. 2014, pp. 155-7, doi:10.1590/S1678-3921.pab1974.v9.17278.