@article{389058,
      author = {Howell, William G. and Peterson, Paul E. and Wolf, Patrick  J. and Campbell, David E.,},
      url = {http://library.usi.edu/record/389058},
      title = {The education gap vouchers and urban schools / [electronic  resource] :},
      publisher = {Brookings Institution Press,},
      recid = {389058},
      pages = {xxix, 323 p.},
      address = {Washington, D.C. :},
      year = {2006},
}