Harper et al., 1981. J. Agric. Sci., 96 (1): 45-53

Harper, F. ; Donaldson, E. ; Henderson, A. R. ; Edwards, R. A., 1981. The potential of sunflower as a crop for ensilage and zero-grazing in Northern Britain. J. Agric. Sci., 96 (1): 45-53