@article{810242,
      author = {Zimmermann, Klaus F.},
      url = {http://library.usi.edu/record/810242},
      title = {European migration: what do we know? /},
      publisher = {Oxford University Press,},
      recid = {810242},
      pages = {xxii, 653 p. :},
      address = {Oxford ;},
      year = {2005},
}