Federizzi, Luiz Carlos, et al. “Phenotypic Variability for Different Traits of Oat Panicle (Avena Sativa L.)”. Pesquisa Agropecuaria Brasileira, vol. 30, no. 2, Feb. 1995, pp. 223-9, https://doi.org/10.1590/S1678-3921.pab1995.v30.4296.