Medina, Cristiane de Conti, et al. “Sugar-Cane Rooting System Submited to Dosis of Gypsium, Lime, and Vinasses”. Semina: Ciências Agrárias, vol. 21, no. 1, Jan. 2000, pp. 71-75, doi:10.5433/1679-0359.2000v21n1p71.