Cavalcante, Diego Helcias, et al. “Fitting of Fixed Regression Curves With Different Residual Variance Structures for Nellore Cattle Growth Modeling”. Semina: Ciências Agrárias, vol. 41, no. 2, Mar. 2020, pp. 545-58, doi:10.5433/1679-0359.2020v41n2p545.