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2. Studies on natural odoriferous compounds VIII. Characteristic marking secretions of two forms lapponicus and scandinavicus of B. lapponicus Fabr. (Hymenoptera, Apidae);Bergström;Chem. Scripta,1973
3. Bergman, P., 1997. Chemical Communication in Bumblebee Premating Behaviour. PhD thesis, Göteborg University, Sweden.
4. Complexity of bumble bee marking pheromones: biochemical, ecological and systematical interpretations;Bergström,1981
5. Foraging in male bumblebees (Bombus lucorum L.): maximising energy or minimizing water load?;Bertsch;Oecologia (Berlin),1984