Influence of berry shrivel on concentrations of resveratrol, catechin, epicatechin and ε-viniferin in berries of Vitis vinifera L. cultivars 'Zweigelt', 'Pinot Blanc' and 'Pinot Gris' - Kristina Bachteler; Monika Riedel; Christine Tisch; Nikolaus Merkt; Rainer Amann; Jens Norbert Wünsche (European Journal of Horticultural Science)