Andrade, Alexandro Pereira, et al. “Qualitative Aspects of Elephantgrass Silage With Corn Meal and Soybean Hulls”. Semina: Ciências Agrárias, vol. 33, no. 3, June 2012, pp. 1209-18, doi:10.5433/1679-0359.2012v33n3p1209.