Aura Anna-Marja, Holopainen-Mantila Ulla, Sibakov Juhani, Kössö Tuija, Mokkila Mirja, and Kaisa Poutanen. “Bilberry and Bilberry Press Cake As Sources of Dietary Fibre”. Food & Nutrition Research 59 (December 11, 2015). Accessed April 24, 2024. https://foodandnutritionresearch.net/index.php/fnr/article/view/775.