Hart et al., 1990. Aust. J. Agric. Res., 41: 791-798

Hart, F. J. ; Leibholz, J., 1990. The effect of species of grass, stage of maturity and level of intake on the degradation of protein and organic matter in the rumen of steers. Aust. J. Agric. Res., 41: 791-798