@article{437648,
      author = {Duncan, Greg J. and Murnane, Richard J.},
      url = {http://library.usi.edu/record/437648},
      title = {Whither opportunity? : rising inequality, schools, and  children's life chances /},
      publisher = {Russell Sage Foundation ;},
      recid = {437648},
      pages = {xix, 551 p. :},
      address = {New York :},
      year = {2011},
}