@book{Lindau2006,
  author    = {Gustav Lindau},
  title     = {Die mikroskopischen Pilze : Myxomyceten, Phycomyceten und Ascomyceten},
  url       = {http://caliban.mpiz-koeln.mpg.de/~stueber/lindau/mikr_pilze_1/index.html},
  year      = {2006},
}