Withouck, H.; Boeykens, A.; Jaskula, B.; Goiris, K.; De Rouck, G.; Hugelier, C.; G. Aerts, G. A. Upstream Beer Stabilisation During Wort Boiling by Addition of Gallotannins and Or PVPP. BrSc 2010, 63 (1/2), 14-22.