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E.A. Hockett (2000) ‘Chapter 3, Barley’, in Handbook of cereal science and technology. 2nd ed., rev.expanded. New York: Marcel Dekker, pp. 81–125. Available at: https://contentstore.cla.co.uk/secure/link?id=94e430d7-f80e-e711-80c9-005056af4099.
Kulp, K. and Ponte, J.G. (2000) Handbook of cereal science and technology. 2nd ed., rev.expanded. New York: Marcel Dekker.