@Article{jokull-2004-p1-16,
  author   = {Hafdís Hanna Ægisdóttir and Þóra Ellen Þórhallsdóttir},
  title    = {{Theories on migration and history of the  North-Atlantic flora: a review}},
  journal  = {Jökull},
  year     = {2004},
  volume   = {54},
  pages    = {1--16},
}