@article{KuehnelKupfer2012,
  author    = {Susanne K{\"u}hnel and Alexander Kupfer},
  title     = {Sperm storage in caecilian amphibians},
  journal   = {Frontiers in zoology},
  volume    = {9},
  number    = {23},
  doi       = {10.1186/1742-9994-9-12},
  year      = {2012},
}