Rezende, Adauton Vilela de, et al. “Agronomic, Bromatologic and Economical Characteristics Harvest Heights for Ensiling of Corn”. Semina: Ciências Agrárias, vol. 36, no. 2, Apr. 2015, pp. 961-70, doi:10.5433/1679-0359.2015v36n2p961.