M. Calixto Júnior, C. C. Jobim, and M. W. do Canto, “Dehydratation rate and chemical composition of stargrass (Cynodon nlemfuensis Vanderyst) hay as a function of nitrogen fertilization”, Semina: Ciênc. Agrár., vol. 28, no. 3, pp. 493–502, Aug. 2007.