@article{411916,
      note = {"A Bradford book."},
      author = {Burghardt, Gordon M.,},
      url = {http://library.usi.edu/record/411916},
      title = {The genesis of animal play testing the limits /  [electronic resource] :},
      publisher = {MIT Press,},
      recid = {411916},
      pages = {xvi, 501 p. :},
      address = {Cambridge, Mass. :},
      year = {2005},
}