1. Bernhardt, H., Knoke, M. (1980). Zur Charakterisierung der Mikroflora des Dünndarms. Zent. Bl. Bakteriol. Hyg., I. Abt. Orig. A, 246, 379–392.
2. Bernhardt, H., Knoke, M. (1983). Zur Diagnostik der sporenlosen Anaerobier. Dtsch. Gesundh.-Wes., 38, 427–433.
3. Bernhardt, H., Knoke, M., Bootz, Th., Zschiesche, M. (1987). Simulierung des intestinalen mikrobieilen Overgrowth durch kontinuierliche Kultur. Dtsch. Z. Verdau.-Stoffwechs. Krankh., 47, 261–267.
4. Edwards, C. A., Duerden, B. I., Read, N. W. (1985). Metabolism of mixed human colonic bacteria in a continuous culture mimicking the human caecal contents. Gastroenterology, 88, 1903–1909.
5. Edwards, C. A., Duerden, B. I., Read, N. W. (1986). Effect of clindamycin on the ability of a continuous culture of colonic bacteria to ferment carbohydrate. Gut, 27, 411–417.