Thomas et al., 1982. J. Anim. Sci., 54: 933-937 Document reference Thomas, V. M. ; Sneddon, D. N. ; Roffler, R. E. ; Murray, G. A., 1982. Digestibility and feeding value of sunflower silage for beef steers. J. Anim. Sci., 54 (5): 933-937Web http://www.journalofanimalscience.org/content/54/5/933Citation key Thomas et al., 1982