@article{Fiedler2010,
  author    = {Horst Fiedler},
  title     = {Ludwig Leichhardt und Alexander von Humboldt},
  journal   = {Alexander von Humboldt im Netz ; international review for Humboldtian studies},
  volume    = {VIII},
  number    = {15},
  pages     = {70 -- 78},
  year      = {2010},
}