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E.A. Hockett, ‘Chapter 3, Barley’, Handbook of cereal science and technology, vol 99 (2nd ed., revexpanded, Marcel Dekker 2000) <https://contentstore.cla.co.uk/secure/link?id=94e430d7-f80e-e711-80c9-005056af4099>
Kulp K and Ponte JG, Handbook of Cereal Science and Technology, vol 99 (2nd ed., revexpanded, Marcel Dekker 2000)
