2018
- C. Oellig, K. Brändle, W. Schwack: Characterization of E 471 food emulsifiers by high-performance thin-layer chromatography–fluorescence detection, Journal of Chromatography A 1558 (2018), 69-76
- C. Oellig, J. Schunck, W. Schwack: Determination of caffeine, theobromine and theophylline in Mate beer and Mate soft drinks by high-performance thin-layer chromatography, Journal of Chromatography A 1533 (2018), 208-212