Chielle, Zeferino Genésio, et al. “Web of Assays of Silage Sorghum in Rio Grande Do Sul State: Combined Analysis of Growing Season 2010 2011”. Pesquisa Agropecuária Gaúcha, vol. 17, no. 2, Dec. 2011, pp. 191-5, https://revistapag.agricultura.rs.gov.br/ojs/index.php/revistapag/article/view/180.