Greenwood et al., 1983. J. Physiology-London, 343: 120 Document reference Greenwood, Y.; Orpin, C. G.; Paterson, I. W., 1983. Digestibility of seaweeds in Orkney sheep. J. Physiology-London, 343: 120Web http://jp.physoc.org/content/343/supplement/115P.full.pdfCitation key Greenwood et al., 1983Datasheets Seaweeds (marine macroalgae)