Authors: Frischknecht, PM Schuhmacher, K Muller-Scharer, H Baumann, TW

Citation: Pm. Frischknecht et al., Phenotypic plasticity of Senecio vulgaris from contrasting habitat types: Growth and pyrrolizidine alkaloid formation, J CHEM ECOL, 27(2), 2001, pp. 343-358

Authors: Kretschmar, JA Baumann, TW

Citation: Ja. Kretschmar et Tw. Baumann, Caffeine in Citrus flowers, PHYTOCHEM, 52(1), 1999, pp. 19-23

Authors: Baumann, TW Sondahl, MR Waldhauser, SSM Kretschmar, JA

Citation: Tw. Baumann et al., Non-destructive analysis of natural variability in bean caffeine content of Laurina coffee, PHYTOCHEM, 49(6), 1998, pp. 1569-1573