@article{132339,
      recid = {132339},
      author = {Ferguson, William M. and Rohn, Arthur H., and Royce, John  Q.},
      title = {Mesoamerica's ancient cities : aerial views of  precolumbian ruins in Mexico, Guatemala, Belize, and  Honduras /},
      publisher = {University Press of Colorado,},
      address = {Niwot, Colo. :},
      pages = {xiv, 251 p. :},
      year = {1990},
      url = {http://library.usi.edu/record/132339},
}