@article{376936,
      author = {Keller, Rudi.},
      url = {http://library.usi.edu/record/376936},
      title = {On language change the invisible hand in language /  [electronic resource] :},
      publisher = {Routledge,},
      recid = {376936},
      pages = {xi, 182 p. :},
      address = {London ;},
      year = {1994},
}