Clark et al., 1987. Anim. Feed Sci. Technol., 18: 225-231 Document reference Clark, P. ; Givens, D. I. ; Brunnen, J. M., 1987. The chemical composition, digestibility and energy value of fodder-beet roots. Anim. Feed Sci. Technol., 18: 225-231Web https://doi.org/10.1016/0377-8401(87)90073-3Citation key Clark et al., 1987