Citation: H. Wilcken et al., MOLECULAR COMPOSITION AND CHEMOMETRIC DIFFERENTIATION AND CLASSIFICATION OF SOIL ORGANIC-MATTER IN PODZOL B-HORIZONS, Geoderma, 76(3-4), 1997, pp. 193-219
Citation: H. Wilcken et Hr. Schulten, DIFFERENTIATION OF RESIN-MODIFIED PAINTS BY PYROLYSIS-GAS CHROMATOGRAPHY MASS-SPECTROMETRY AND PRINCIPAL COMPONENT ANALYSIS, Fresenius' journal of analytical chemistry, 355(2), 1996, pp. 157-163
Citation: H. Wilcken et Hr. Schulten, QUALITY-CONTROL OF PAINTS - PYROLYSIS-MASS SPECTROMETRY AND CHEMOMETRICS, Analytica chimica acta, 336(1-3), 1996, pp. 201-208