Mazza, Maria Cristina Medeiros, et al. “Maternal Influences from Birth to Yearling in Guzerá Cattle. I. Genetic Causal Components of Variance and Covariance”. Pesquisa Agropecuaria Brasileira, vol. 25, no. 9, Apr. 2014, pp. 1303-9, https://doi.org/10.1590/S1678-3921.pab1990.v25.19474.