García-Estévez, Ignacio, Rosa Pérez-Gregorio, Susana Soares, Nuno Mateus, and Victor de Freitas. “Oenological Perspective of Red Wine Astringency”. OENO One 51, no. 3 (June 30, 2017). Accessed February 28, 2024. https://oeno-one.eu/article/view/1816.