@article{729137,
      author = {Meier, John,},
      url = {http://library.usi.edu/record/729137},
      title = {Groups, graphs, and trees an introduction to the geometry  of infinite groups / [electronic resource] :},
      publisher = {Cambridge University Press,},
      recid = {729137},
      pages = {1 online resoure (xi, 231 p.) :},
      address = {Cambridge ;},
      year = {2008},
}