@article{PfenningerNowak2008,
  author    = {Markus Pfenninger and Carsten Nowak},
  title     = {Reproductive isolation and ecological niche partition among larvae of the morphologically cryptic sister species Chironomus riparius and C. piger},
  journal   = {PLoS One},
  volume    = {3},
  number    = {(5): e2157},
  doi       = {10.1371/journal.pone.0002157},
  year      = {2008},
}