BLEJAN, Ana Maria, et al. “Recovery of Phenolic Compounds From Wild Bilberry, Blackcurrant and Blackberry Pomaces by Maceration and Ultrasound-Assisted Extraction”. Studia Universitatis Babeș-Bolyai Chemia, vol. 69, no. 1, Mar. 2024, pp. 201-18, doi:10.24193/subbchem.2024.1.13.