Authors: Francke, W Lubke, G Schroder, W Reckziegel, A Imperatriz-Fonseca, V Kleinert, A Engels, E Hartfelder, K Radtke, R Engels, W

Citation: W. Francke et al., Identification of oxygen containing volatiles in cephalic secretions of workers of Brazilian stingless bees, J BRAZ CHEM, 11(6), 2000, pp. 562-571

Authors: Winckelmann, U Lubke, G Brockstedt, M Schanz, I Dechent, J Weber, J Albani, M

Citation: U. Winckelmann et al., Anticholinergic syndrome after ingestion of Angel's Trumpet tea, MONATS KIND, 148(1), 2000, pp. 18-22

Authors: Ayasse, M Engels, W Lubke, G Taghizadeh, T Francke, W

Citation: M. Ayasse et al., Mating expenditures reduced via female sex pheromone modulation in the primitively eusocial halictine bee, Lasioglossum (Evylaeus) malachurum (Hymenoptera : Halictidae), BEHAV ECO S, 45(2), 1999, pp. 95-106