Andjelkovic, M., B. Radovanović, A. Radovanović, and A.M. Andjelkovic. 2016. “Changes in Polyphenolic Content and Antioxidant Activity of Grapes Cv Vranac During Ripening”. South African Journal of Enology and Viticulture 34 (2):147-55. https://doi.org/10.21548/34-2-1090.