F. M. J. Sommerlandt, W. Huber, and J. Spaethe, “Social Information in the Stingless Bee, Trigona corvina Cockerell (Hymenoptera: Apidae): The Use of Visual and Olfactory Cues at the Food Site”, Sociobiology, vol. 61, no. 4, pp. 401–406, Dec. 2014.