@article{Knobloch2009,
  author    = {Eberhard Knobloch},
  title     = {Erkundung und Erforschung},
  series    = {Alexander von Humboldts Amerikareise},
  volume    = {VII},
  number    = {13},
  pages     = {56 -- 73},
  year      = {2009},
}