@article{304492,
      author = {Herbert, Sandra.},
      url = {http://library.usi.edu/record/304492},
      title = {Charles Darwin, geologist /},
      publisher = {Cornell University Press,},
      recid = {304492},
      pages = {xx, 485 p. :},
      address = {Ithaca :},
      year = {2005},
}