Gottschall, C.S. et al. 2009. Relationships between age, weight, average weight gain and days on feed of beef steers slaughtered at 15 or 27 months of age. Semina: Ciências Agrárias. 30, 3 (Oct. 2009), 717–726. DOI:https://doi.org/10.5433/1679-0359.2009v30n3p717.