@article{1469368,
      author = {Allert, Beate, and Clason, Christopher R., and Peach,  Niall A., and Quintana Vallejo, Ricardo,},
      url = {http://library.usi.edu/record/1469368},
      title = {Alexander von Humboldt : perceiving the world /},
      recid = {1469368},
      pages = {1 online resource (x, 272 pages)},
}