@article{Ahlen-1997-2361,
  author = {Ahlén, I},
  title = {Migratory behaviour of bats at south Swedish coasts},
  journal = {International Journal of Mammalian Biology},
  year = {1997},
  month = {mar},
  publisher = {Gustav Fischer},
  volume = {62},
  pages = {375--380},
  url = {http://www.biodiversitylibrary.org/part/192315},
  keywords = {Bats},
}