@book{Linsenmair1971,
  author    = {Linsenmair, Karl Eduard},
  title     = {Hvorfor synger fuglene?},
  url       = {http://nbn-resolving.de/urn:nbn:de:bvb:20-opus-44530},
  publisher      = {Universit{\"a}t W{\"u}rzburg},
  year      = {1971},
  abstract  = {No abstract available},
  language  = {mul}
}