Cepicka, J. a Karabin, M. (2002) „Polyphenolic Compounds of Beer - Natural Antioxidants", Chemické listy, 96(2). Dostupné z: http://blog.chemicke-listy.cz/ojs3/index.php/chemicke-listy/article/view/2346 (Viděno: 23 listopad 2024).