Frühbauerová, M., L. Červenka, T. Hájek, R. N. . Salek, H. Velichová, and F. Buňka. “Antioxidant Properties of Processed Cheese Spread After Freeze-Dried and Oven-Dried Grape Skin Powder Addition”. Potravinarstvo Slovak Journal of Food Sciences, vol. 14, Apr. 2020, pp. 230-8, doi:10.5219/1310.