Onslow, Muriel Wheldale
The anthocyanin pigments of plants
Cambridge University Press, 2014
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THE GRAPES OF WRATH
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Steinbeck, John, 1902-1968
The Grapes of wrath
Everyman's Library, 1993
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Solomon, D.H.
Chemistry of pigments and fillers
Krieger Publisher, 1991
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Wan Azlina Ahmad
Application of bacterial pigments as colorant : the Malaysian perspective
Springer, 2012
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