@article{HasselmannVekemansPflugfelderetal.2009,
  author    = {Martin Hasselmann and Xavier Vekemans and Jochen Pflugfelder and Nikolaus Koeniger and Gudrun Koeniger and Salim Tingek and Martin Beye},
  title     = {Evidence for convergent nucleotide evolution and high allelic turnover rates at the complementary sex determiner (csd) gene of western and Asian honey bees},
  journal   = {Molecular biology and evolution},
  volume    = {25},
  number    = {4},
  pages     = {696 -- 708},
  doi       = {10.1093/molbev/msn011},
  year      = {2009},
}