Citation: A. Thellman et W. Weber, DETERMINATION OF OCHRATOXIN-A IN CEREALS, MALT AND BEER AFTER ACCUMULATION AND SEPARATION ON IMMUNOAFFINITY COLUMNS AND FOLLOWING HIGH-PRESSURE LIQUID-CHROMATOGRAPHY WITH FLUORESCENCE DETECTION, Deutsche Lebensmittel-Rundschau, 93(1), 1997, pp. 1-3