@article{371384,
      recid = {371384},
      author = {Penny, Ralph J.},
      title = {Variation and change in Spanish [electronic resource] /},
      publisher = {Cambridge University Press,},
      address = {Cambridge, UK ;},
      pages = {x, 284 p. :},
      year = {2000},
      url = {http://library.usi.edu/record/371384},
}