@article{StreinzerBrockmannNagarajaetal.2013,
  author    = {Martin Streinzer and Axel Brockmann and Narayanappa Nagaraja and Johannes Spaethe},
  title     = {Sex and Caste-Specific Variation in Compound Eye Morphology of Five Honeybee Species},
  journal   = {PLoS ONE},
  doi       = {10.1371/journal.pone.0057702},
  year      = {2013},
}