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Chromatography of tea constituentsAndreas Finger; Susanne Kuhr; Ulrich H. Engelhardt · 1992
Studies of polymer polyphenols in teaSusanne Kuhr; Birgit Herzig; Ulrich H. Engelhardt · 1994
Säuren des KaffeesUlrich H. Engelhardt; Hans Gerhard Maier · 1985
Flavonol triglycosides containing galactose in teaAndreas Finger; Ulrich H. Engelhardt; Victor Wray · 1991
Identification of new diketopiperazines in roasted coffeeMichael Ginz; Ulrich H. Engelhardt · 2001
Chlorogensänren in Kaffee-ErsatzstoffenHelma Haffke; Ulrich H. Engelhardt · 1986
Comprehensive Natural Products II || Chemistry of TeaEngelhardt, Ulrich H. · 2010
Alkylaluminum Cations: Synthesis and Structure ofDr. Lutz M. Engelhardt; Dr. Ulrich Kynast; Dr. Colin L. Raston; Dr. Allan H. White · 1987