Skin pigments of: Red grape varieties
Richard E. Kepner, Dept. of Chemistry, and A. Dinsmoor Webb, Dept. of Viticulture and Enology, Davis.
California Agriculture 14(1):2-3. DOI: 10.3733/ca.v014n01p2d.
Dept. of Chemistry, and A. Dinsmoor Webb, Dept. of Viticulture and Enology, Davis.