H. K. M.  Dweck, Ebrahim, S. A. M., Kromann, S., Bown, D., Hillbur, Y., Sachse, S., Hansson, B. S., and Stensmyr, M. C., ?Olfactory Preference for Egg Laying on Citrus Substrates in Drosophila?, vol. 23, pp. 2472-2480, 2013.