[1]
A. R. Sefrin, C. de S. Lucci, and L. Melotti, “Apparent digestibility of diets with different roughage/ concentrate ratios with sheep”, Braz. J. Vet. Res. Anim. Sci., vol. 34, no. 5, pp. 292–295, Oct. 1997, doi: 10.11606/issn.2318-3659.v34i5p292-295.