@article{310891,
      author = {Howell, William G. and Peterson, Paul E.},
      url = {http://library.usi.edu/record/310891},
      title = {The education gap : vouchers and urban schools /},
      publisher = {Brookings Institution Press,},
      recid = {310891},
      pages = {xxix, 323 p. ;},
      address = {Washington, D.C. :},
      year = {2006},
}