@article{BiermannSchwarz2009,
  author    = {Kurt-Reinhard Biermann and Ingo Schwarz},
  title     = {Los compa{\~n}eros de viaje indios de Alejandro de Humboldt en Am{\´e}rica},
  journal   = {Alexander von Humboldt im Netz ; international review for Humboldtian studies},
  volume    = {VIII},
  number    = {14},
  pages     = {91 -- 96},
  year      = {2009},
}