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