Pöschl, M.; Bauer, S.; Leal, L.; Illing, S.; Stretz, D.; Wellhoener, U.; Tenge, C.; Geiger, E. The Influence of Fermentation-Control on the Colloidal Stability and the Reducing Power of the Resulting Bottom Fermented Beers. BrSc 2007, 60 (7/8), 96-109.