Schleicher, T. (2009) “Influences of the Type of Fluxing Agent during Fluxcalcination of Kieselguhr on Formation of Crystalline Phases, Permeability and Colour”, BrewingScience, 62(5/6), pp. 67–82. Available at: https://brewingscience.de/index.php/brewingscience/article/view/469 (Accessed: 30 May 2026).