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http://journals.cambridge.org/action/displayAbstract?aid=828780
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J. M. Harries,
A. W. Hubbard,
F. E. Alder,
M. Kay
and D. R. Williams
(1968).
Studies on the composition of food. British Journal of Nutrition, 22
,
pp 21-31
doi:10.1079/BJN19680005