Aura Anna-Marja, Holopainen-Mantila Ulla, Sibakov Juhani, Kössö Tuija, Mokkila Mirja, and Kaisa Poutanen. 2015. “Bilberry and Bilberry Press Cake As Sources of Dietary Fibre”. Food & Nutrition Research 59 (December). https://doi.org/10.3402/fnr.v59.28367.