Kuusi, Taina, and Esko Pajunen. “Less Grown Apple Varietes in Juice Production, and the Influence of Polyphenols and Added Ascorbic Acid on the Juice Quality”. Agricultural and Food Science 43, no. 1 (January 1, 1971): 20–26. Accessed June 29, 2024. https://journal.fi/afs/article/view/71780.