Costa, E., F. Cosme, A. M. Jordão, and A. Mendes-Faia. “Anthocyanin Profile and Antioxidant Activity from 24 Grape Varieties Cultivated in Two Portuguese Wine Regions”. OENO One, vol. 48, no. 1, Jan. 2014, pp. 51-62, doi:10.20870/oeno-one.2014.48.1.1661.